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Abbreviation: RA
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Long forms: 1186

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Long Form No. Long Form Research Area Co-occurring Abbreviation PubMed/MEDLINE Info. (Year, Title)
rheumatoid arthritis
(42148 times)
Rheumatology
(19353 times)
OA (2446 times)
MTX (2243 times)
SLE (2145 times)
1962 Rheumatoid arthritis (R.A.) factor in near relatives of sero-positive and sero-negative patients with rheumatoid arthritis.
retinoic acid
(7007 times)
Cell Biology
(1161 times)
RAR (368 times)
RARs (210 times)
APL (206 times)
1977 Effects of retinoic acid on embryonic chick skin.
right atrium
(1621 times)
Cardiology
(897 times)
LA (405 times)
RV (339 times)
AF (314 times)
1975 Lamb fetal pulmonary fluid. II. Fate of phosphatidylcholine.
all-trans-retinoic acid
(542 times)
Neoplasms
(130 times)
RAR (27 times)
APL (25 times)
RARs (17 times)
1980 Effects of retinoic acid on plasminogen activator and mitogenic responses of cultured mouse cells.
radial artery
(542 times)
Cardiology
(263 times)
CABG (137 times)
ITA (56 times)
SV (54 times)
1990 Release of EDRF from canine renal artery by leukotriene D4.
rosmarinic acid
(541 times)
Pharmacology
(86 times)
CA (44 times)
ROS (25 times)
SAB (20 times)
1979 Interactions between parallel pathways during biosynthesis of rosmarinic acid in cell suspension cultures of Coleus blumei.
refractory anemia
(485 times)
Hematology
(290 times)
MDS (349 times)
RAEB (250 times)
RARS (138 times)
1978 Clinical contribution to the knowledge of hemopoietic dysplasias: long-term follow-up of 13 patients with refractory anemia.
rectus abdominis
(315 times)
Physiology
(81 times)
EO (116 times)
EMG (102 times)
ES (87 times)
1981 Electrophoretic analysis of proteins from single bovine muscle fibres.
room air
(256 times)
Pulmonary Medicine
(55 times)
IH (48 times)
VEGF (21 times)
BPD (19 times)
1982 Airway cooling and nocturnal asthma.
10  rotational atherectomy
(250 times)
Cardiology
(189 times)
PCI (74 times)
MACE (54 times)
DES (34 times)
1994 Rotational coronary atherectomy with adjunctive balloon angioplasty for the treatment of ostial lesions.
11  robust nucleus of the archistriatum
(225 times)
Neurology
(141 times)
HVC (76 times)
lMAN (37 times)
MAN (14 times)
1980 Quantitative analysis of sex differences in hormone accumulation in the zebra finch brain: methodological and theoretical issues.
12  regional anesthesia
(213 times)
Anesthesiology
(72 times)
GA (120 times)
CEA (25 times)
CI (24 times)
1989 Cost effectiveness of regional anesthesia in carotid endarterectomy.
13  receptor antagonist
(186 times)
Neoplasms
(22 times)
IL (93 times)
TNF (31 times)
CINV (18 times)
1994 The morphogenic/cytotoxic and prostaglandin-stimulating activities of interleukin-1 beta in the rat ovary are nitric oxide independent.
14  renal artery
(152 times)
General Surgery
(49 times)
SMA (17 times)
CA (12 times)
CT (11 times)
1978 Effects of norepinephrine, dopamine and potassium on tension and 45Ca fluxes in canine and rabbit renal arteries.
15  rapidly adapting
(131 times)
Neurology
(82 times)
SA (63 times)
PC (27 times)
SAI (12 times)
1975 Afferent fibers from mystacial vibrissae of cats and seals.
16  risk assessment
(123 times)
Environmental Health
(32 times)
LCA (8 times)
QbD (8 times)
JD (4 times)
1995 Use of mechanistic information in risk assessment for toxic chemicals.
17  relative abundance
(100 times)
Reproductive Medicine
(12 times)
OTUs (5 times)
COCs (4 times)
NT (4 times)
1998 Analysis of variation in relative mRNA abundance for specific gene transcripts in single bovine oocytes and early embryos.
18  RapidArc
(90 times)
Neoplasms
(53 times)
IMRT (28 times)
PTV (24 times)
HT (19 times)
2009 On the performances of Intensity Modulated Protons, RapidArc and Helical Tomotherapy for selected paediatric cases.
19  Ras association
(71 times)
Biochemistry
(24 times)
PH (8 times)
SAM (7 times)
RASSF (5 times)
1999 Identification of Ce-AF-6, a novel Caenorhabditis elegans protein, as a putative Ras effector.
20  rheumatoid
(68 times)
Rheumatology
(35 times)
OA (21 times)
PsA (17 times)
SF (6 times)
1975 The origins and relative distribution of polysaccharidases in rheumatoid and osteoarthritic fluids.
21  Radix Astragali
(63 times)
Complementary Therapies
(16 times)
RAS (10 times)
DBT (9 times)
RR (9 times)
1996 [The inhibitory effects of Radix Astragali on hypoxic pulmonary hypertension of rats].
22  robot-assisted
(62 times)
General Surgery
(16 times)
FH (7 times)
CI (4 times)
FG (4 times)
2009 Epiphrenic diverticulum: robotic-assisted transhiatal approach.
23  renin-angiotensin
(60 times)
Vascular Diseases
(11 times)
Ang II (11 times)
ACE (8 times)
PRA (8 times)
1980 Knowledge of the hormonal peculiarities of essential arterial hypertension may direct therapy and prevent errors.
24  relative anisotropy
(56 times)
Diagnostic Imaging
(24 times)
FA (39 times)
DTI (37 times)
ADC (20 times)
1999 A study of rotationally invariant and symmetric indices of diffusion anisotropy.
25  retinyl acetate
(51 times)
Neoplasms
(18 times)
DMBA (5 times)
ODC (4 times)
DO (3 times)
1975 Vitamin A and benzo(a)pyrene carcinogenesis in the respiratory tract of hamsters fed a semisynthetic diet.
26  Riemerella anatipestifer
(49 times)
Veterinary Medicine
(25 times)
PCR (4 times)
E. coli (3 times)
AC-ELISA (2 times)
2000 Duck immune responses to Riemerella anatipestifer vaccines.
27  robustus archistriatalis
(49 times)
Neurology
(30 times)
HVc (29 times)
MAN (4 times)
BOS (3 times)
1979 Projections of a telencephalic auditory nucleus-field L-in the canary.
28  rim area
(47 times)
Ophthalmology
(41 times)
HRT (15 times)
RNFL (13 times)
DA (12 times)
1999 Comparison between laser scanning tomography and computerised image analysis of the optic disc.
29  renin activity
(42 times)
Medicine
(6 times)
Ang II (7 times)
NO (6 times)
PF (6 times)
1977 Renin activity in the brain, the kidneys and the peripheral plasma or rats with different experimental models of hypertension.
30  rotational angiography
(39 times)
Radiology
(16 times)
DSA (9 times)
CFD (2 times)
CT (2 times)
2002 Comparison of three-dimensional rotational angiography with digital subtraction angiography in the assessment of ruptured cerebral aneurysms.
31  radiographic absorptiometry
(36 times)
Orthopedics
(11 times)
BMD (18 times)
DXA (17 times)
QUS (10 times)
1994 Comparison of radiographic absorptiometry with dual-energy x-ray absorptiometry and quantitative computed tomography in normal older white and black women.
32  retrograde amnesia
(36 times)
Neurology
(17 times)
AA (8 times)
HPC (3 times)
AD (2 times)
1973 Factors influencing one-trial passive avoidance behavior: implications for studies of retrograde amnesia (RA).
33  ricinoleic acid
(33 times)
Biochemistry
(10 times)
SA (6 times)
LA (4 times)
Ea (2 times)
1979 Intestinal bile salts in cystic fibrosis: studies in the patient and experimental animal.
34  refractory ascites
(30 times)
Gastroenterology
(14 times)
TIPS (11 times)
LVP (4 times)
CI (2 times)
1996 Home ascites drainage using a permanent Tenckhoff catheter.
35  research assistant
(30 times)
Emergency Medicine
(5 times)
ED (9 times)
CIs (2 times)
DA (2 times)
2002 Barriers and facilitators in nursing home intervention research.
36  rumenic acid
(26 times)
Veterinary Medicine
(7 times)
VA (8 times)
CLA (7 times)
FA (4 times)
1987 Histochemical study of the accumulation of copper in the liver of sheep.
37  ring aromatic
(24 times)
Molecular Biology
(11 times)
HBA (15 times)
HY (14 times)
HBD (8 times)
2001 Three-dimensional common-feature hypotheses for octopamine agonist 2-(arylimino)imidazolidines.
38  recycled aggregate
(23 times)
Environmental Health
(11 times)
RAC (6 times)
ITZ (4 times)
SCC (4 times)
2006 Utilization of municipal solid waste bottom ash and recycled aggregate in concrete.
39  relative amplitude
(22 times)
Physiology
(9 times)
IS (15 times)
BMI (3 times)
RAR (3 times)
2004 Gender-dependent differences in biological rhythms of mice.
40  residential area
(22 times)
Environmental Health
(22 times)
IA (9 times)
CA (5 times)
HI (5 times)
2008 Heavy metal accumulation in medicinal plants collected from environmentally different sites.
41  rheumatoid arthritis patients
(22 times)
Rheumatology
(7 times)
CRP (2 times)
MNC (2 times)
PBMC (2 times)
1984 Inhibitory effect of sera from rheumatoid arthritis patients and enhancing effect of levamisole on total E-rosette levels of lymphoid cells from normal and RA subjects.
42  reading acuity
(21 times)
Ophthalmology
(14 times)
CPS (16 times)
MRS (15 times)
VA (4 times)
2006 Preliminary evidence of improved gaze stability following exercise in two children with vestibular hypofunction.
43  reading age
(20 times)
Neurology
(9 times)
CA (16 times)
RD (3 times)
DYS (2 times)
1987 Paired associate learning in reading-disabled children: evidence for a rule-learning deficiency.
44  refractive astigmatism
(20 times)
Ophthalmology
(12 times)
CA (6 times)
BSCVA (4 times)
ORA (4 times)
2010 Correlation between refractive error, corneal power, and thickness in a large population with a wide range of ametropia.
45  ritalinic acid
(19 times)
Chemistry Techniques, Analytical
(6 times)
MPH (14 times)
LOQ (2 times)
SRM (2 times)
1983 Pharmacokinetics of methylphenidate in man, rat and monkey.
46  Raddeanin A
(18 times)
Cell Biology
(4 times)
ROS (4 times)
OS (2 times)
PARP (2 times)
2013 Determination of Raddeanin A in rat plasma by liquid chromatography-tandem mass spectrometry: application to a pharmacokinetic study.
47  radial access
(18 times)
Cardiology
(13 times)
FA (15 times)
OR (7 times)
PCI (5 times)
2005 Randomized comparison of operator radiation exposure during coronary angiography and intervention by radial or femoral approach.
48  Rasch analysis
(18 times)
Rehabilitation
(7 times)
CTT (4 times)
DIF (4 times)
CFA (2 times)
2003 Classical Test Theory versus Rasch analysis for quality of life questionnaire reduction.
49  retroauricular
(18 times)
General Surgery
(9 times)
MFL (3 times)
TA (3 times)
ND (2 times)
2008 Expression of PTEN and phosphorylated Akt in human cholesteatoma epithelium.
50  risk area
(18 times)
Cardiology
(8 times)
IS (6 times)
MCE (5 times)
LAD (4 times)
1988 The effects of lipoxygenase inhibitor and peptidoleukotriene antagonist on myocardial injury in a canine coronary occlusion-reperfusion model.
51  rounded atelectasis
(18 times)
Diagnostic Imaging
(6 times)
CT (5 times)
HRCT (2 times)
ABs (1 time)
1981 Rounded atelectasis and its association with asbestos-induced pleural disease.
52  rebaudioside A
(17 times)
Chemistry
(7 times)
ROS (3 times)
ST (3 times)
HILIC (2 times)
1991 Transfructosylation of rebaudioside A (a sweet glycoside of Stevia leaves) with Microbacterium beta-fructofuranosidase.
53  respiratory arrest
(17 times)
Brain
(4 times)
SUDEP (4 times)
CA (3 times)
HG (3 times)
1990 Intracerebral crises during treatment of diabetic ketoacidosis.
54  RA group
(16 times)
Biomedical Research
(2 times)
CSF (2 times)
DMARDs (2 times)
Hb (2 times)
2014 Rheumatoid arthritis patients with hip fracture: a nationwide study.
55  rat aorta
(16 times)
Pharmacology
(7 times)
LM (3 times)
ACh (2 times)
HSV (2 times)
1991 [Effect of amlodipine, a new calcium antagonist on isolated blood vessels].
56  Renal Association
(16 times)
Nephrology
(14 times)
HD (14 times)
PD (8 times)
RRT (8 times)
2007 Serum calcium, phosphate, parathyroid hormone, albumin, aluminium and cholesterol achievement on replacement therapy (chapter 9).
57  relative area
(15 times)
Radiology
(6 times)
CT (4 times)
COPD (3 times)
TLC (3 times)
1999 Effect of slaughter weight and/or age on histological characteristics of pig longissimus dorsi muscle as related to meat quality.
58  robotic adrenalectomy
(15 times)
General Surgery
(8 times)
LA (11 times)
BMI (2 times)
CT (2 times)
2010 Laparoscopic and robotic assisted adrenal surgery.
59  rapid acetylator
(14 times)
Pharmacology
(5 times)
SA (11 times)
NAT2 (8 times)
IA (5 times)
1997 NAT2 genotyping and efficacy of sulfasalazine in patients with chronic discoid lupus erythematosus.
60  reactive arthritis
(14 times)
Medicine
(5 times)
GBS (2 times)
ACA (1 time)
ADA (1 time)
1983 [Yersinia enterocolitica and pseudotuberculosis reactive arthritis with antinuclear antibodies. 4 cases].
61  real acupuncture
(14 times)
Complementary Therapies
(6 times)
SA (13 times)
HRV (2 times)
AEs (1 time)
2002 Short-term acupuncture therapy is of no benefit in patients with moderate persistent asthma.
62  relative activity
(14 times)
Pharmacology
(4 times)
MS (2 times)
Ac (1 time)
AChE (1 time)
1977 The generation of nerve and muscle repetivie activity in the rat phrenic nerve-diaphragm preparation following inhibition of cholinesterase by ecothiopate.
63  Ringer's acetate
(14 times)
Anesthesiology
(3 times)
FFP (2 times)
NS (2 times)
BPH (1 time)
1988 Hydroxyethyl starch 120, dextran 70 and acetated Ringer's solution: hemodilution, albumin, colloid osmotic pressure and fluid balance following replacement of blood loss in pigs.
64  radial
(13 times)
General Surgery
(3 times)
BA (2 times)
CABG (2 times)
DPA (2 times)
2000 Platelets and prostacyclin in arterial bypasses: implications for coronary artery surgery.
65  radiation-attenuated
(13 times)
Allergy and Immunology
(5 times)
DCs (2 times)
APCs (1 time)
CSA (1 time)
2003 Interleukin-12 p40 secretion by cutaneous CD11c+ and F4/80+ cells is a major feature of the innate immune response in mice that develop Th1-mediated protective immunity to Schistosoma mansoni.
66  renal amyloidosis
(13 times)
Nephrology
(5 times)
FMF (4 times)
ESRD (2 times)
HD (2 times)
1993 [Blood lipids in renal amyloidosis].
67  residual activity
(13 times)
Diagnostic Imaging
(3 times)
ED (2 times)
MW (2 times)
BF (1 time)
1988 [Esophageal motility dysfunction and radioisotopes. Its modification with a calcium channel blocker].
68  ricin A chain
(13 times)
Neoplasms
(5 times)
dgRA (2 times)
IT (2 times)
mAb (2 times)
1982 Chinese hamster cell variants resistant to the A chain of ricin carry altered ribosome function.
69  rural area
(13 times)
Neoplasms
(3 times)
UA (8 times)
MA (3 times)
OS (3 times)
1985 Failure and efficacy of insulin therapy in insulin dependent (type I) diabetic patients.
70  recreationally active
(12 times)
Physiology
(4 times)
ET (4 times)
MA (3 times)
LMA (2 times)
2002 Slow component of [V]O(2) kinetics: the effect of training status, fibre type, UCP3 mRNA and citrate synthase activity.
71  reference area
(12 times)
Environmental Health
(4 times)
IA (3 times)
HQs (2 times)
IHHP (2 times)
1995 Selected aspects of the population health status in ecological hazard areas in comparison with ecologically "clean area". III. localisation of urban regions with high mortality from all and from the circulatory system diseases.
72  Reperfusion arrhythmias
(12 times)
Cardiology
(5 times)
Cx43 (3 times)
VF (3 times)
VT (3 times)
1992 [Reperfusion arrhythmias in acute myocardial infarction].
73  rescue allocation
(12 times)
Transplantation
(6 times)
LT (4 times)
SA (3 times)
AA (2 times)
2009 Rescue allocation for liver transplantation within Eurotransplant: the Heidelberg experience.
74  right atrial pressure
(12 times)
Cardiology
(7 times)
CI (6 times)
PCW (3 times)
HR (2 times)
1976 Non-invasive assessment of the performance of the right heart during dynamic exercise, a study of left-sided heart disease.
75  radionuclide angiography
(11 times)
Nuclear Medicine
(2 times)
CV (2 times)
EF (2 times)
LVEF (2 times)
1981 Positive end-expiratory pressure (PEEP) does not depress left ventricular function in patients with pulmonary edema.
76  regional analgesia
(11 times)
Anesthesiology
(4 times)
LOS (2 times)
CAM-ICU (1 time)
CI (1 time)
1990 [Methods of regional analgesia in closed trauma of the chest].
77  respiratory acidosis
(11 times)
Pulmonary Medicine
(2 times)
MA (4 times)
COPD (2 times)
ABB (1 time)
1977 Effect of respiratory acidosis and activity on airway smooth muscle intracellular pH.
78  risk adjustment
(11 times)
Cardiovascular Diseases
(4 times)
SPC (2 times)
APR-DRG (1 time)
CAS (1 time)
2000 Reconciling quality measurement with financial risk adjustment in health plans.
79  random access
(10 times)
Image Processing, Computer-Assisted
(5 times)
IoT (2 times)
LDB (2 times)
LDP (2 times)
2008 Optical recording of electrical activity in intact neuronal networks with random access second-harmonic generation microscopy.
80  reflection-absorption
(10 times)
Chemistry
(5 times)
IR (4 times)
LB (3 times)
OEG (3 times)
1997 [Structural characterization of copper-phthalocyanine thin solid films by FTIR spectroscopy].
81  regional
(10 times)
General Surgery
(6 times)
GA (9 times)
LA (6 times)
EVAR (2 times)
1996 The differing effects of regional and general anaesthesia on cerebral metabolism during carotid endarterectomy.
82  regression analysis
(10 times)
Neurology
(2 times)
CA (2 times)
PCA (2 times)
ANNs (1 time)
1985 Discriminant analysis for predicting dystocia in beef cattle. I. Comparison with regression analysis.
83  relative analgesia
(10 times)
Dentistry
(9 times)
DGA (2 times)
GA (2 times)
GDPs (2 times)
2001 Dental caries, age and anxiety: factors influencing sedation choice for children attending for emergency dental care.
84  relative asymmetry
(10 times)
Veterinary Medicine
(8 times)
BW (2 times)
AB (1 time)
AS (1 time)
1998 Developmental stability in stocks of White Leghorn chickens.
85  renal agenesis
(10 times)
Nephrology
(4 times)
MCDK (4 times)
CAKUT (2 times)
AGTR2 (1 time)
2002 Congenital renal agenesis: case-control analysis of birth characteristics.
86  resection and anastomosis
(10 times)
General Surgery
(7 times)
MI (2 times)
ALG (1 time)
AUG (1 time)
1992 Management and survival of meconium ileus. A 30-year review.
87  resection arthroplasty
(10 times)
Orthopedics
(4 times)
ORIF (2 times)
PJI (2 times)
THA (2 times)
2011 Outcome after operative treatment of Vancouver type B1 and C periprosthetic femoral fractures: open reduction and internal fixation versus revision arthroplasty.
88  rhodotorulic acid
(10 times)
Bacteriology
(2 times)
AG (1 time)
BR (1 time)
DF (1 time)
1978 Coordination chemistry of microbial iron transport compounds: rhodotorulic acid and iron uptake in Rhodotorula pilimanae.
89  robustus arcopallialis
(10 times)
Neurology
(5 times)
RAm (2 times)
D3Rs (1 time)
DDT (1 time)
2005 Calcium-binding proteins define interneurons in HVC of the zebra finch (Taeniopygia guttata).
90  rotundic acid
(10 times)
Biochemistry
(3 times)
ATM (1 time)
BA (1 time)
CAC (1 time)
2006 Simultaneous quantification of three major bioactive triterpene acids in the leaves of Diospyros kaki by high-performance liquid chromatography method.
91  ratio
(9 times)
Cardiology
(2 times)
PAPi (3 times)
RV (2 times)
ACS (1 time)
1996 Noninvasive quantification of dopamine D2 receptors with iodine-123-IBF SPECT.
92  relative absorption
(9 times)
Chemistry
(3 times)
RCT (4 times)
4MB (1 time)
BU (1 time)
1992 Real-time measurement of microcirculation of skin by reflectance spectrophotometry.
93  renal
(9 times)
Physiology
(4 times)
CA (2 times)
HR (2 times)
MAP (2 times)
1987 Splanchnic and renal hemodynamic responses to intraportal infusion of glucagon.
94  reproductive allocation
(9 times)
Medicine
(2 times)
SCR (1 time)
SRA (1 time)
2007 Equivalence of three allocation currencies as estimates of reproductive allocation and somatic cost of reproduction in Pinguicula vulgaris.
95  respiratory activity
(9 times)
Toxicology
(2 times)
BP (2 times)
CC (2 times)
MSC (2 times)
1979 Effects of anemia and growth retardation on respiratory activity in the piglet.
96  response accuracy
(9 times)
Cognitive Science
(3 times)
RT (3 times)
RTs (3 times)
fMRI (2 times)
2003 Response latency in Canis familiaris: mental ability or mental strategy?
97  retained austenite
(9 times)
Diagnostic Imaging
(1 time)
TRIP (3 times)
XRD (3 times)
SEM (2 times)
2018 The application of convergent beam electron diffraction (CBED) analysis on transformation-induced plasticity (TRIP) steels.
98  risk analysis
(9 times)
Environmental Health
(3 times)
LCA (2 times)
AI (1 time)
CT (1 time)
1999 Application of risk analysis and geographic information system technologies to the prevention of diarrheal diseases in Nigeria.
99  risk-adjusted
(9 times)
Statistics as Topic
(2 times)
CUSUM (2 times)
EWMA (2 times)
AMI (1 time)
2009 Risk-adjusted monitoring of survival times.
100  radioactivity
(8 times)
Pharmacology
(3 times)
2,3- and 2,5-diOH (1 time)
AG (1 time)
AGEs (1 time)
1976 125I-labelled botulinum A neurotoxin: pharmacokinetics in cats after intramuscular injection.