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Abbreviation: RR
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Long Form No. Long Form Research Area Co-occurring Abbreviation PubMed/MEDLINE Info. (Year, Title)
relative risk
(23225 times)
Medicine
(3490 times)
CI (10541 times)
RCTs (1575 times)
OR (772 times)
1976 Occupation and Hodgkin's disease.
risk ratio
(12217 times)
Medicine
(4423 times)
CI (7382 times)
RCTs (3110 times)
MD (1983 times)
1978 Cigarette consumption and deaths from coronary heart-disease.
rate ratio
(2529 times)
Epidemiology
(314 times)
CI (1111 times)
OR (105 times)
ED (66 times)
1983 Optical prophylaxis for environmental myopia: an epidemiological assessment of short-term effects.
respiratory rate
(2151 times)
Veterinary Medicine
(204 times)
HR (771 times)
VT (191 times)
RT (159 times)
1975 Water diuresis from clonidine (catapres).
response rate
(1389 times)
Neoplasms
(960 times)
OS (580 times)
PFS (566 times)
NSCLC (194 times)
1981 Electrophysiological correlates of diurnal feeding rhythm disruption in rats.
relapsing-remitting
(733 times)
Neurology
(467 times)
MS (635 times)
SP (254 times)
PP (142 times)
1987 Reduction of circulating suppressor inducer T lymphocytes in the exacerbation phase of remitting-relapse multiple sclerosis.
resonance Raman
(471 times)
Biochemistry
(225 times)
DFT (31 times)
EPR (26 times)
MCD (15 times)
1977 Determination of ionization state by resonance Raman spectroscopy Sulfonamide binding to carbonic anhydrase.
ruthenium red
(295 times)
Physiology
(40 times)
SR (15 times)
ROS (10 times)
CsA (9 times)
1968 Ultrastructure of the surfaces of cells infected with avian leukosis-sarcoma viruses.
ribonucleotide reductase
(274 times)
Neoplasms
(79 times)
HU (25 times)
HSV (19 times)
HSV-1 (12 times)
1984 Is ribonucleotide reductase in Ehrlich ascites mammary tumour cells the target of a growth inhibitor purified from bovine mammary gland?
10  response regulator
(234 times)
Microbiology
(61 times)
HK (101 times)
TCS (57 times)
TCSs (39 times)
1996 Three two-component signal-transduction systems interact for Pho regulation in Bacillus subtilis.
11  resistance ratio
(134 times)
Zoology
(38 times)
PBO (10 times)
LC (8 times)
LPT (7 times)
1991 Chlorpyrifos resistance in German cockroaches (Dictyoptera: Blatellidae) from restaurants.
12  relapse rate
(119 times)
Hematology
(50 times)
OS (57 times)
DFS (28 times)
AML (27 times)
1985 Are defaulters with paucibacillary leprosy a problem?
13  recurrence rate
(117 times)
Neoplasms
(27 times)
OS (16 times)
CI (13 times)
DFS (13 times)
1984 Adriamycin instillations as recurrence prophylaxis in superficial urinary bladder cancer.
14  recovery rate
(109 times)
Orthopedics
(30 times)
JOA (28 times)
mJOA (13 times)
CSM (12 times)
1981 Calculated recovery rates in severe head trauma.
15  rifampicin-resistant
(68 times)
Medicine
(16 times)
TB (32 times)
MDR (18 times)
MDR-TB (15 times)
2002 [Molecular genetic methods for the detection of rifampicin-resistant Mycobacterium tuberculosis strains].
16  relapsed/refractory
(61 times)
Neoplasms
(23 times)
MM (20 times)
OS (14 times)
PFS (13 times)
2013 The mechanism of action, pharmacokinetics, and clinical efficacy of carfilzomib for the treatment of multiple myeloma.
17  ridge regression
(58 times)
Chemistry Techniques, Analytical
(10 times)
PLS (22 times)
PCR (16 times)
PLSR (8 times)
2003 Prediction of tissue-air partition coefficients: a comparison of structure-based and property-based methods.
18  R-R interval
(57 times)
Cardiology
(23 times)
HF (15 times)
HRV (13 times)
LF (10 times)
1985 Use of a computer in analysis of heart rate and blood pressure response to the Valsalva maneuver.
19  reversal reaction
(56 times)
Tropical Medicine
(24 times)
ENL (28 times)
MDT (6 times)
MB (5 times)
1986 Unilateral oedema of reversal reaction (RR) in borderline leprosy.
20  recurrence
(50 times)
Neoplasms
(14 times)
CI (8 times)
OS (7 times)
DTC (5 times)
1999 A controlled study of postoperative radiotherapy for patients with completely resected nonsmall cell lung carcinoma. Groupe d'Etude et de Traitement des Cancers Bronchiques.
21  root resorption
(50 times)
Dentistry
(18 times)
CBCT (4 times)
PN (4 times)
CI (3 times)
1979 Net photosynthesis, root respiration, and regrowth of Bouteloua gracilis following simulated grazing.
22  reference range
(49 times)
Endocrinology
(12 times)
FT4 (4 times)
TSH (4 times)
PTH (3 times)
1998 Applicability of the third-generation, thyroid-stimulating hormone assay in pregnancy.
23  regional recurrence
(48 times)
Neoplasms
(28 times)
LR (21 times)
DM (18 times)
OS (17 times)
1995 Detection of loco-regional recurrence after breast-conserving surgery and radiotherapy.
24  radioresistant
(46 times)
Neoplasms
(22 times)
RS (20 times)
RT (9 times)
EMT (6 times)
1995 Abnormal pattern of post-gamma-ray DNA replication in radioresistant fibroblast strains from affected members of a cancer-prone family with Li-Fraumeni syndrome.
25  recovery room
(39 times)
Anesthesiology
(21 times)
ICU (4 times)
OR (4 times)
NRS (3 times)
1981 Postoperative hypothermia in adults: relationship of age, anesthesia, and shivering to rewarming.
26  risk reduction
(38 times)
Vascular Diseases
(6 times)
CI (8 times)
RA (4 times)
aOR (3 times)
1998 Adapting an effective primary care provider STD/HIV prevention training programme.
27  relaxation response
(36 times)
Complementary Therapies
(11 times)
MGH (3 times)
QoL (3 times)
HIV/AIDS (2 times)
1981 Autonomic responses to stress: the effects of progressive relaxation, the relaxation response, and expectancy of relief.
28  reverse redistribution
(36 times)
Nuclear Medicine
(16 times)
AMI (5 times)
TS (5 times)
SPECT (4 times)
1981 Reverse redistribution: worsening of thallium-201 myocardial images from exercise to redistribution.
29  reverse remodeling
(36 times)
Cardiology
(23 times)
LV (23 times)
CRT (15 times)
CMR (6 times)
2006 Usefulness of ventricular longitudinal contractility assessed by Doppler tissue imaging in the prediction of reverse remodeling in patients with severe left ventricular systolic dysfunction.
30  righting reflex
(35 times)
Pharmacology
(11 times)
NPS (4 times)
SM (4 times)
HR (3 times)
1983 Assessment of anaesthetic action of morphine and fentanyl in rats.
31  random regression
(33 times)
Veterinary Medicine
(22 times)
MT (7 times)
DIM (3 times)
SAD (3 times)
2001 Genetic modelling of test day records in dairy sheep using orthogonal Legendre polynomials.
32  relative recovery
(33 times)
Chemistry Techniques, Analytical
(15 times)
GC-MS (4 times)
RL (4 times)
RSD (4 times)
1989 Preferential loss of Leu 8-, CD45R, HLA-DR+ CD8 cell subsets during in vitro culture of mononuclear cells from human immunodeficiency virus type I (HIV)-seropositive former blood donors.
33  resolution recovery
(30 times)
Nuclear Medicine
(12 times)
SPECT (10 times)
OSEM (8 times)
AC (6 times)
2001 Clinical impact of combination of scatter, attenuation correction, and depth-dependent resolution recovery for (201)Tl studies.
34  risk of all-cause mortality
(30 times)
Vascular Diseases
(9 times)
CI (14 times)
RRs (7 times)
PCI (6 times)
2011 Validity of composite outcomes in meta-analyses of stroke prevention trials: the case of aspirin.
35  Ross River
(27 times)
Virology
(7 times)
BF (6 times)
KUN (4 times)
MVE (4 times)
1983 The exanthem of Ross River virus infection: histology, location of virus antigen and nature of inflammatory infiltrate.
36  Roundup Ready
(27 times)
Nutritional Sciences
(11 times)
PCR (6 times)
GM (5 times)
AMPA (1 time)
1999 [Food additives and genetically modified food--a risk for allergic patients?].
37  relative response
(26 times)
Allergy and Immunology
(14 times)
MLC (13 times)
GVHD (7 times)
Gr (2 times)
1977 Mixed lymphocyte reaction and graft survival in forty cadaveric renal transplants.
38  repeat revascularization
(26 times)
Cardiology
(17 times)
PCI (12 times)
MI (10 times)
CABG (8 times)
1997 Steady-state captopril renography: continuous monitoring of the captopril-induced increase in 99mTc-MAG3 mean parenchymal transit time in renovascular hypertension.
39  random ratio
(24 times)
Behavioral Sciences
(9 times)
RI (13 times)
FI (2 times)
IRTs (2 times)
1963 Random interval schedules of reinforcement.
40  recall rate
(24 times)
Radiology
(13 times)
CDR (13 times)
DM (6 times)
DBT (5 times)
1998 Endoscopic perforator vein division with ablation of superficial reflux improves venous hemodynamics.
41  relative risk of death
(24 times)
Toxicology
(5 times)
AChE (5 times)
OPCs (5 times)
CI (4 times)
1991 Flow cytometric DNA index in the prognosis of colorectal cancer.
42  rapid response
(22 times)
Therapeutics
(3 times)
NR (2 times)
SR (2 times)
ACGT (1 time)
1994 Corticosteroid rescue treatment of progressive fibroproliferation in late ARDS. Patterns of response and predictors of outcome.
43  refractory
(22 times)
Neoplasms
(15 times)
MM (6 times)
PFS (6 times)
OS (5 times)
2012 Treatment with lenalidomide and dexamethasone in patients with multiple myeloma and renal impairment.
44  risk of mortality
(22 times)
Medicine
(4 times)
RRs (8 times)
RCTs (6 times)
CVD (5 times)
2008 Betel nut chewing is associated with increased risk of cardiovascular disease and all-cause mortality in Taiwanese men.
45  Rehmanniae Radix
(21 times)
Pharmacology
(6 times)
AR (4 times)
CAT (2 times)
CO (2 times)
2011 Transcriptional profiling of human skin fibroblast cell line Hs27 induced by herbal formula Astragali Radix and Rehmanniae Radix.
46  rectus resection
(20 times)
Ophthalmology
(7 times)
BLR (4 times)
OS (4 times)
PD (4 times)
2003 Costs and benefits of intraoperative MR-guided brain tumor resection.
47  radical resection
(19 times)
General Surgery
(10 times)
LR (5 times)
OS (5 times)
LE (4 times)
2004 Multimodal management of stages III-IVa malignant thymoma.
48  reference region
(19 times)
Diagnostic Imaging
(9 times)
AIF (6 times)
DCE-MRI (6 times)
TOI (5 times)
2005 Quantitative pharmacokinetic analysis of DCE-MRI data without an arterial input function: a reference region model.
49  residual risk
(19 times)
Hematology
(10 times)
HIV (6 times)
HCV (5 times)
NAT (5 times)
2006 [Safety of the blood supply in Mexico from 1999 to 2003].
50  Round-Robin
(19 times)
Cybernetics
(7 times)
NN (2 times)
AP (1 time)
BCQI (1 time)
2003 A comparison of ten different methods for the analysis of saturates, olefins, benzene, total aromatics, and oxygenates in finished gasolines.
51  relapse risk
(18 times)
Hematology
(10 times)
OS (13 times)
AML (9 times)
DFS (6 times)
2001 The predictive value of hierarchical cytogenetic classification in older adults with acute myeloid leukemia (AML): analysis of 1065 patients entered into the United Kingdom Medical Research Council AML11 trial.
52  relative risk estimates
(18 times)
Medicine
(3 times)
CI (6 times)
CIs (4 times)
NSAIDs (2 times)
1986 Mental health care in Southern Italy: application of case-control methodology for the evaluation of the impact of the 1978 psychiatric reform.
53  reticulorumen
(18 times)
Physiology
(9 times)
MRT (8 times)
GIT (4 times)
ROO (2 times)
1980 Relationships between eating rate of sheep and live weight gain, weight and fill of the gastrointestinal tract.
54  rotarod
(18 times)
Psychopharmacology
(3 times)
EPM (5 times)
MWM (4 times)
OF (4 times)
1983 Tolerance and cross-tolerance to central nervous system depressants after chronic pentobarbital or chronic methaqualone administration.
55  R wave to R wave
(17 times)
Medicine
(3 times)
HRV (7 times)
rMSSD (4 times)
HF (3 times)
1996 Augmentation of parasympathetic nerve function in patients with extrinsic bronchial asthma--evaluation by coefficiency of variance of R-R interval with modified long-term ECG monitoring system.
56  rectification ratio
(17 times)
Chemistry
(5 times)
ITO (2 times)
LOD (2 times)
AFM (1 time)
2002 Effects of dihydrotestosterone on cardiac inward rectifier K(+) current.
57  relative reduction
(17 times)
Cardiology
(5 times)
PCI (3 times)
IS (2 times)
STH (2 times)
1995 Differential effect of age on metabolisable energy content of high protein-low energy and low protein-high energy diets in young broiler chicks.
58  removal rate
(17 times)
Environmental Health
(5 times)
HD (3 times)
FR (2 times)
MCO (2 times)
2006 Removal of pharmaceuticals in sewage treatment plants in Italy.
59  renin release
(17 times)
Physiology
(10 times)
TcAMPc (3 times)
AC-cAMP (1 time)
AII (1 time)
1975 Relationship between perfusion pressure and renin release in the isolated rat kidney.
60  resistance-related
(17 times)
Botany
(8 times)
FHB (9 times)
D3G (3 times)
DON (3 times)
1994 Failure of a single cycle of high dose cyclophosphamide followed by intensive myeloablative therapy and autologous stem cell transplantation to improve outcome in relapsed disease.
61  radiation-resistant
(16 times)
Neoplasms
(6 times)
RS (7 times)
WT (2 times)
ATM (1 time)
1997 Transcription and activity of antioxidant enzymes after ionizing irradiation in radiation-resistant and radiation-sensitive mice.
62  repeatedly reactive
(16 times)
Hematology
(7 times)
EIA (5 times)
HCV (3 times)
HIV (3 times)
1988 Detection of antibodies to human T-lymphotropic virus type 1 (HTLV-1).
63  revascularization
(16 times)
Cardiology
(11 times)
MACE (10 times)
CI (8 times)
MI (7 times)
2013 Outcomes after complete versus incomplete revascularization of patients with multivessel coronary artery disease: a meta-analysis of 89,883 patients enrolled in randomized clinical trials and observational studies.
64  risk of stroke
(16 times)
Cardiology
(7 times)
CI (7 times)
CHD (3 times)
CVD (3 times)
2011 Potassium intake, stroke, and cardiovascular disease a meta-analysis of prospective studies.
65  Radix Rehmanniae
(15 times)
Complementary Therapies
(6 times)
RA (8 times)
TCM (3 times)
BSYQT (2 times)
2008 [Effect of Herba Epimedil Brevicornus and prepared Radix Rehmannia on glucocorticoid receptor in glucocorticoid receptor down-regulated rats].
66  regulatory region
(15 times)
Virology
(6 times)
PML (6 times)
JCV (4 times)
CSF (3 times)
1998 Transplacental transmission of human polyomavirus BK.
67  relative mortality risk
(15 times)
Nephrology
(8 times)
CI (3 times)
ESRD (3 times)
HD (3 times)
1992 Comorbid conditions and correlations with mortality risk among 3,399 incident hemodialysis patients.
68  renal resistance
(14 times)
Transplantation
(7 times)
HMP (6 times)
DGF (4 times)
MAP (3 times)
1986 [Effect of inhibition of angiotensin converting enzyme on hypertension following kidney transplantation].
69  ring resonator
(14 times)
Ophthalmology
(11 times)
MZI (2 times)
CMS (1 time)
CMT (1 time)
2006 Berry's phase amplification by a ring resonator.
70  recovery
(13 times)
Polymers
(2 times)
PLA (2 times)
Tg (2 times)
ACSCRR (1 time)
2009 [Factors influencing engraftment in hematological patients after human leukocyte antigen matched sibling allogeneic blood and marrow transplantation].
71  radiation retinopathy
(12 times)
Ophthalmology
(4 times)
GKR (2 times)
NVG (2 times)
OCTA (2 times)
2010 Current treatments for radiation retinopathy.
72  recombination rate
(12 times)
Genetics
(5 times)
BER (4 times)
NER (4 times)
TLS (3 times)
2002 Error-free recombinational repair predominates over mutagenic translesion replication in E. coli.
73  respiratory rehabilitation
(12 times)
Pulmonary Medicine
(9 times)
COPD (3 times)
LVRS (3 times)
MD (2 times)
2000 Reduction pneumoplasty versus respiratory rehabilitation in severe emphysema: a randomized study. Pulmonary Emphysema Research Group.
74  reward responsiveness
(12 times)
Psychiatry
(3 times)
BAS (2 times)
RewP (2 times)
ABCD (1 time)
2009 Event-related components of the punishment and reward sensitivity.
75  risk of CRC
(12 times)
Nutritional Sciences
(2 times)
CI (4 times)
CRC (3 times)
DES (2 times)
2016 Association between Parkinson's disease and risk of colorectal cancer.
76  risk of major cardiovascular events
(12 times)
Medicine
(2 times)
CI (3 times)
RCTs (3 times)
ACS (2 times)
1996 Incidence, natural history and cardiovascular events in symptomatic and asymptomatic peripheral arterial disease in the general population.
77  rods and rings
(12 times)
Medicine
(3 times)
IMPDH2 (6 times)
HCV (5 times)
CTPS1 (3 times)
2012 Induction of cytoplasmic rods and rings structures by inhibition of the CTP and GTP synthetic pathway in mammalian cells.
78  rapid review
(11 times)
Cell Biology
(4 times)
CI (2 times)
FN (2 times)
HTA (2 times)
2000 Detection of false negative Pap smears by rapid reviewing. A metaanalysis.
79  respiratory
(11 times)
Pediatrics
(3 times)
HR (7 times)
ANOVA (2 times)
BD (1 time)
1999 Physiologic stability of newborns during cup- and bottle-feeding.
80  response rate (ORR)
(11 times)
Neoplasms
(3 times)
ORR (6 times)
OS (4 times)
PFS (4 times)
2015 Efficacy and safety of dendritic cells co-cultured with cytokine-induced killer cells immunotherapy for non-small-cell lung cancer.
81  refractory or relapsed
(10 times)
Hematology
(6 times)
CR (4 times)
MM (4 times)
OS (3 times)
2006 Therapeutic results in patients with relapsed diffuse large B cell Non-Hodgkin's lymphoma achieving complete response only after autologous stem cell transplantation.
82  repeat-reactive
(10 times)
Hematology
(7 times)
PCR (4 times)
HTLV (3 times)
WB (3 times)
1993 Hepatitis C virus in blood samples from volunteer donors.
83  residential rehabilitation
(10 times)
Substance-Related Disorders
(8 times)
ATOS (4 times)
MT (4 times)
DTX (3 times)
2003 Attempted suicide among entrants to three treatment modalities for heroin dependence in the Australian Treatment Outcome Study (ATOS): prevalence and risk factors.
84  Rhodiola rosea
(10 times)
Medicine
(2 times)
CPK (2 times)
CS (2 times)
AST (1 time)
2005 Cordyceps sinensis- and Rhodiola rosea-based supplementation in male cyclists and its effect on muscle tissue oxygen saturation.
85  risk of major bleeding
(10 times)
Vascular Diseases
(3 times)
CI (5 times)
RRs (3 times)
CVD (2 times)
2014 Indirect comparison meta-analysis of two enoxaparin regimens in patients undergoing major orthopaedic surgery. Impact on the interpretation of thromboprophylactic effects of new anticoagulant drugs.
86  rapid recovery
(9 times)
Nursing
(2 times)
NRP (2 times)
AEs (1 time)
BUN (1 time)
2015 Rapid recovery protocols for primary total hip arthroplasty can safely reduce length of stay without increasing readmissions.
87  rate-responsive
(9 times)
Cardiology
(9 times)
HR (3 times)
AF (2 times)
6MWT (1 time)
1989 Symptomatology and quality of life in patients with rate-responsive pacemakers: a double-blind, randomized, crossover study.
88  Reactive Red
(9 times)
Environmental Health
(6 times)
RB (2 times)
ANN (1 time)
CCD (1 time)
2007 Visible light induced sonophotocatalytic degradation of Reactive Red dye 198 using dye sensitized TiO2.
89  recurrent MI
(9 times)
Vascular Diseases
(4 times)
CI (3 times)
RCTs (3 times)
AT (2 times)
2015 Aspiration Thrombectomy in Patients Undergoing Primary Angioplasty for ST Elevation Myocardial Infarction: An Updated Meta-Analysis.
90  renal failure
(9 times)
Cardiology
(2 times)
AMI (1 time)
BMI (1 time)
BP (1 time)
1995 Prosthetic valve endocarditis in the ICU. Prognostic factors of overall survival in a series of 122 cases and consequences for treatment decision.
91  repeated reading
(9 times)
Psychology
(5 times)
AUCi (1 time)
CBM (1 time)
EM (1 time)
1997 The effect of the method of repeated readings on the reading rate and word recognition accuracy of deaf adolescents.
92  reporter responsive
(9 times)
Neoplasms
(6 times)
RU (9 times)
BC (4 times)
SRR2 (4 times)
2014 YB-1 regulates Sox2 to coordinately sustain stemness and tumorigenic properties in a phenotypically distinct subset of breast cancer cells.
93  respiratory frequency
(9 times)
Critical Care
(3 times)
COPD (3 times)
HR (3 times)
MAP (3 times)
1997 Total energy expenditure in infants with bronchopulmonary dysplasia is associated with respiratory status.
94  resuscitation room
(9 times)
Emergency Medicine
(4 times)
ED (5 times)
ICU (3 times)
CINT (2 times)
2008 Resuscitation room blood alcohol concentrations: one-year cohort study.
95  rigid registration
(9 times)
Radiotherapy
(5 times)
CBCT (3 times)
CBCTs (2 times)
CTV (2 times)
2010 Image registration of pre-procedural MRI and intra-procedural CT images to aid CT-guided percutaneous cryoablation of renal tumors.
96  risk of all-grade
(9 times)
Pharmacology
(3 times)
NSCLC (3 times)
ICIs (2 times)
irAEs (2 times)
2017 Bevacizumab significantly increases the risks of hypertension and proteinuria in cancer patients: A systematic review and comprehensive meta-analysis.
97  risk of relapse
(9 times)
Neoplasms
(2 times)
AML (3 times)
CI (3 times)
DFS (3 times)
1989 Recent trends in allogeneic bone marrow transplantation.
98  rolling resistance
(9 times)
Rehabilitation
(3 times)
max (1 time)
MWU (1 time)
RSIs (1 time)
2006 The effect of rolling resistance on stationary wheelchair wheelies.
99  radiologic response
(8 times)
Neoplasms
(5 times)
CD (2 times)
CR (2 times)
HR (2 times)
1999 Relationship between serum RANTES levels and radiological progression in rheumatoid arthritis patients treated with methotrexate.
100  red rubber
(8 times)
Anesthesiology
(4 times)
PVC (6 times)
Si (3 times)
AR (1 time)
1986 Incendiary characteristics of a new laser-resistant endotracheal tube.