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Abbreviation: RAS
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Long forms: 273

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Long Form No. Long Form Research Area Co-occurring Abbreviation PubMed/MEDLINE Info. (Year, Title)
renin-angiotensin system
(4993 times)
Vascular Diseases
(740 times)
ACE (1144 times)
Ang II (878 times)
BP (283 times)
1978 Some frontiers in comparative studies of the renin-angiotensin system.
renal artery stenosis
(741 times)
Vascular Diseases
(221 times)
PTRA (47 times)
MRA (40 times)
RVH (40 times)
1975 Splanchnic blood flow in essential hypertension and in hypertensive patients with renal artery stenosis.
recurrent aphthous stomatitis
(390 times)
Dentistry
(160 times)
BD (42 times)
OLP (20 times)
CD (11 times)
1975 An immunofluorescence study on the cross-reaction between strep. 2a and human oral mucosa.
recirculating aquaculture systems
(80 times)
Environmental Health
(26 times)
TAN (6 times)
FTS (3 times)
SGR (3 times)
2003 The potential use of constructed wetlands in a recirculating aquaculture system for shrimp culture.
rat sarcoma
(76 times)
Neoplasms
(23 times)
MAPK (14 times)
EGFR (11 times)
ERK (9 times)
2003 Increase in peripheral benzodiazepine receptors and loss of glutamate NMDA receptors in a mouse model of closed head injury: a quantitative autoradiographic study.
renin-angiotensin-aldosterone system
(65 times)
Pharmacology
(12 times)
ACE (15 times)
ACEI (6 times)
AF (6 times)
1990 Importance of the renin-angiotensin-aldosterone system (RAS) in the physiology and pathology of hypertension. An overview.
robot-assisted surgery
(50 times)
Urology
(9 times)
OR (5 times)
CI (3 times)
CLS (3 times)
2001 ICAPS an integrative computer-assisted planning system for pedicle screw insertion.
restrictive allograft syndrome
(45 times)
Transplantation
(27 times)
CLAD (34 times)
BOS (33 times)
BAL (8 times)
2011 Restrictive allograft syndrome (RAS): a novel form of chronic lung allograft dysfunction.
renin-angiotensin
(42 times)
Physiology
(9 times)
NO (8 times)
ACE (6 times)
Ang II (5 times)
1987 Influence of vasoactive substances on early toxic acute renal failure in the dog.
10  rhythmic auditory stimulation
(41 times)
Neurology
(17 times)
PD (12 times)
CP (3 times)
ABI (2 times)
1996 Rhythmic auditory stimulation in gait training for Parkinson's disease patients.
11  reticular activating system
(40 times)
Neurology
(12 times)
PPN (22 times)
NCS-1 (5 times)
REM (5 times)
1981 Metabolic turnover in the reticular activating system in ammonia induced coma.
12  retinoic acid syndrome
(37 times)
Hematology
(15 times)
ATRA (27 times)
APL (24 times)
CR (8 times)
1980 Teratogenic effects of retinoic acid in pigtail monkeys (Macaca nemestrina). II. Craniofacial features.
13  resistance-associated substitutions
(31 times)
Virology
(11 times)
HCV (15 times)
DAA (8 times)
SVR (8 times)
2017 Short-duration treatment for chronic hepatitis C virus with daclatasvir, asunaprevir, beclabuvir and sofosbuvir (FOURward study).
14  Recovery Assessment Scale
(30 times)
Psychiatry
(20 times)
AIMhi (2 times)
ACT (1 time)
BPD (1 time)
2004 Examining the factor structure of the recovery assessment scale.
15  return activated sludge
(29 times)
Environmental Health
(19 times)
SRT (4 times)
HRT (3 times)
EBPR (2 times)
2003 The ScanDeNi process could turn an existing under-performing activated sludge plant into an asset.
16  Radix Angelicae Sinensis
(26 times)
Botany
(5 times)
DBT (9 times)
RA (9 times)
EPO (2 times)
1991 [Anti-inflammatory effect of radix Angelicae sinensis].
17  radial artery spasm
(24 times)
Cardiology
(18 times)
TRA (10 times)
CAG (2 times)
CI (2 times)
2001 Measurement of radial artery spasm using an automatic pullback device.
18  reflection anisotropy spectroscopy
(22 times)
Biophysics
(10 times)
a-Si (1 time)
BAL (1 time)
CV (1 time)
2000 Reflection anisotropy spectroscopy: A new probe for the solid-liquid interface
19  robotic-assisted surgery
(21 times)
General Surgery
(9 times)
OS (3 times)
MIS (2 times)
BMI (1 time)
2011 Robotic assisted surgery in gynecology: current insights and future perspectives.
20  radiation-attenuated sporozoites
(20 times)
Allergy and Immunology
(6 times)
GAP (4 times)
CPS (3 times)
ID (2 times)
2007 Genetically attenuated P36p-deficient Plasmodium berghei sporozoites confer long-lasting and partial cross-species protection.
21  rat sarcoma viral oncogene homolog
(19 times)
Neoplasms
(10 times)
mTOR (4 times)
MEK (3 times)
NF1 (3 times)
2006 Oncogenic transformation induced by the p110beta, -gamma, and -delta isoforms of class I phosphoinositide 3-kinase.
22  right atrial septum
(16 times)
Cardiology
(10 times)
NCC (3 times)
AF (2 times)
ATs (2 times)
1990 [Revision of criteria for locating the accessory pathway by electrocardiogram in Wolff-Parkinson-White syndrome. A new algorithm].
23  rabbit aortic strips
(15 times)
Pharmacology
(8 times)
GTN (9 times)
NO (7 times)
GDN (3 times)
1981 Effects of arachidonic acid hydroperoxides on vascular and non-vascular smooth muscle.
24  Rathus Assertiveness Schedule
(14 times)
Psychology
(5 times)
19-item J-RAS (1 time)
30-item J-RAS (1 time)
AT (1 time)
1976 The relationship of extraversion and neuroticism to two measures of assertive behavior.
25  Rokitansky-Aschoff sinuses
(14 times)
General Surgery
(6 times)
ADM (2 times)
CEUS (1 time)
CIS (1 time)
1987 [Histological differentiation of Rokitansky-Aschoff sinus involvement from stromal invasion of carcinoma of the gallbladder].
26  rate of ankle swelling
(13 times)
Vascular Diseases
(11 times)
VAR (4 times)
RF (2 times)
SF (2 times)
1989 Skin flow and swelling in post-phlebitic limbs.
27  restricted active space
(13 times)
Chemistry
(11 times)
CAS (3 times)
CI (2 times)
4p-2h (1 time)
2009 Restricted active space spin-flip configuration interaction approach: theory, implementation and examples.
28  radiation-associated sarcoma
(12 times)
Neoplasms
(8 times)
AS (1 time)
BC (1 time)
CAS (1 time)
1989 Radiation-associated sarcoma: a review of 23 patients with postradiation sarcoma over a 50-year period.
29  ringed sideroblasts
(11 times)
Hematology
(7 times)
MDS (11 times)
RA (11 times)
RAEB (8 times)
1987 Specific minor chromosome deletions in myelodysplastic syndromes: clinical and morphologic correlations.
30  Relationship Assessment Scale
(9 times)
Psychology
(2 times)
AIS (1 time)
EPDS (1 time)
FPI (1 time)
2005 [The multidimensional relationship questionnaire: a study of reliability and validity].
31  rat sarcoma viral oncogene
(8 times)
Neoplasms
(3 times)
AML (2 times)
AREG (1 time)
BclXL (1 time)
2008 Oncogenic pathways impinging on the G2-restriction point.
32  renin-aldosterone system
(8 times)
Physiology
(3 times)
PRA (3 times)
PRC (2 times)
AGC (1 time)
1979 Glucose-induced paradoxical hyperkalemia in patients with suppression of the renin-aldosterone system: prevention by sodium depletion.
33  Ribi adjuvant system
(7 times)
Allergy and Immunology
(4 times)
FCA (2 times)
CFA (1 time)
DDA (1 time)
1989 The influence of different adjuvants on the immune response to a synthetic peptide comprising amino acid residues 9-21 of herpes simplex virus type 1 glycoprotein D.
34  ring sideroblasts
(7 times)
Hematology
(6 times)
MDS (5 times)
RA (5 times)
RAEB (4 times)
1985 Myelodysplastic syndromes: a study of 101 cases according to the FAB classification.
35  risk assessment score
(7 times)
Medicine
(2 times)
DVT (1 time)
ESCC (1 time)
HCSs (1 time)
1999 Combination of a clinical risk assessment score and rapid whole blood D-dimer testing in the diagnosis of deep vein thrombosis in symptomatic patients.
36  radiation-attenuated Plasmodium sporozoites
(6 times)
Allergy and Immunology
(3 times)
CSP (1 time)
GAPs (1 time)
ID (1 time)
2009 Conserved protective mechanisms in radiation and genetically attenuated uis3(-) and uis4(-) Plasmodium sporozoites.
37  rates-across-sites
(6 times)
Molecular Biology
(5 times)
COV (1 time)
ML (1 time)
MP (1 time)
2001 Mathematical elegance with biochemical realism: the covarion model of molecular evolution.
38  regulatory adaptive status
(6 times)
Cardiology
(3 times)
CHF (3 times)
FC (2 times)
HD (2 times)
2011 [Alternative therapy with ivabradine in patients with functional class III chronic heart failure].
39  relative aerobic strain
(6 times)
Occupational Medicine
(5 times)
HR (3 times)
AMI (1 time)
EE (1 time)
1977 Age and sex as determinants of the relative aerobic strain of nonmotorized mail delivery.
40  reptile-associated salmonellosis
(6 times)
Veterinary Medicine
(4 times)
LPS (1 time)
MDH (1 time)
PFGE (1 time)
2013 Risk factors for invasive reptile-associated salmonellosis in children.
41  Responsibility Attitude Scale
(6 times)
Psychiatry
(4 times)
OCD (4 times)
RIQ (3 times)
ASD (1 time)
2004 Cognitive predictors of obsessive-compulsive symptoms in adolescence: a preliminary investigation.
42  root-adhering soil
(6 times)
Microbiology
(5 times)
EPS (3 times)
DM (2 times)
DNA-SIP (1 time)
1998 Colonization of wheat roots by an exopolysaccharide-producing pantoea agglomerans strain and its effect on rhizosphere soil aggregation
43  Rapid Alternating Stimulus
(5 times)
Psychology
(2 times)
RAN (4 times)
1986 Rapid alternating stimulus naming in the developmental dyslexias.
44  rapid atrial stimulation
(5 times)
Medicine
(3 times)
PSVT (2 times)
AV (1 time)
CI (1 time)
1976 [Rapid atrial stimulation (RAS) as electrotherapy of supraventricular tachycardias].
45  rat sarcoma gene
(5 times)
Neoplasms
(2 times)
EGFR (2 times)
RET (2 times)
ALK (1 time)
2006 Examination of mutations in BRAF, NRAS, and PTEN in primary cutaneous melanoma.
46  rat sarcoma virus
(5 times)
Gastrointestinal Neoplasms
(2 times)
EGFR (2 times)
AHRQ (1 time)
CCO (1 time)
2010 KRAS Testing for Anti-EGFR Therapy in Advanced Colorectal Cancer: An Evidence-Based and Economic Analysis.
47  Reflex anoxic seizures
(5 times)
Nursing
(2 times)
EDs (1 time)
TLOC (1 time)
2013 Management of reflex anoxic seizures in children.
48  robotic-assisted laparoscopic surgery
(5 times)
Urologic Diseases
(2 times)
CLS (1 time)
MIS (1 time)
RCTs (1 time)
2009 Robotic-assisted laparoscopic surgery in pediatric urology: an update.
49  rosmarinic acid synthase
(5 times)
Botany
(3 times)
RA (3 times)
ABA (2 times)
PAL (2 times)
2011 Cloning and characterisation of rosmarinic acid synthase from Melissa officinalis L.
50  realistic, age-structured model
(4 times)
Epidemiology
(3 times)
SEIR (1 time)
1995 Predicting the impact of measles vaccination in England and Wales: model validation and analysis of policy options.
51  recurrent aphthous ulcers
(4 times)
Dentistry
(3 times)
CENTRAL (1 time)
HA (1 time)
HIV (1 time)
1980 Premonitory stages of recurrent aphthous stomatitis. I. Histological and enzyme histochemical investigations.
52  rapid aneuploidy screening
(3 times)
Obstetrics
(2 times)
AF (1 time)
CVS (1 time)
DS (1 time)
2009 The selective use of rapid aneuploidy screening in prenatal diagnosis.
53  Rapid Assessment Surveys
(3 times)
Psychiatry
(1 time)
CHWs (1 time)
IDUs (1 time)
P-DUMS (1 time)
2010 Mammography use among Haitian women in Miami, Florida: an opportunity for intervention.
54  rasagiline
(3 times)
Pharmacology
(2 times)
PD (2 times)
SEL (2 times)
LD (1 time)
2012 Comparison of the cutaneous iontophoretic delivery of rasagiline and selegiline across porcine and human skin in vitro.
55  rat sarcoma-bound guanosine triphosphate
(3 times)
Neoplasms
(3 times)
ANP (3 times)
LANP (2 times)
STAT3 (2 times)
2012 New anticancer agents: hormones made within the heart.
56  reality-adaptive, supportive
(3 times)
Psychiatry
(3 times)
EIO (3 times)
1984 Effects of psychotherapy in schizophrenia: I. Design and implementation of a controlled study.
57  refractory anaemia with sideroblasts
(3 times)
Hematology
(3 times)
MDS (3 times)
BM (1 time)
BW (1 time)
1990 Monoclonal antibody ratios in malignant myeloid diseases: diagnostic and prognostic use in myelodysplastic syndromes.
58  relative allele signal
(3 times)
Genetics
(3 times)
PPC (1 time)
QTL (1 time)
SNPs (1 time)
2005 Genotyping DNA pools on microarrays: tackling the QTL problem of large samples and large numbers of SNPs.
59  residual area stenosis
(3 times)
Cardiology
(3 times)
ISA (3 times)
OCT (3 times)
BVS (2 times)
2012 Angiographic maximal luminal diameter and appropriate deployment of the everolimus-eluting bioresorbable vascular scaffold as assessed by optical coherence tomography: an ABSORB cohort B trial sub-study.
60  restrictive atrial septum
(3 times)
Perinatology
(1 time)
HLHS (2 times)
IAS (2 times)
bPAB (1 time)
2014 Optimization of preoperative status in hypoplastic left heart syndrome with intact atrial septum by left atrial decompression and bilateral pulmonary artery bands.
61  retroauricular skin
(3 times)
Otolaryngology
(3 times)
EACS (1 time)
MECh (1 time)
PgR (1 time)
2005 Expression of female sex hormone receptors in human middle-ear cholesteatomas.
62  retronasal aroma simulator
(3 times)
Nutritional Sciences
(3 times)
ANN (1 time)
LDA (1 time)
VOO (1 time)
2001 Verification of a mouth simulator by in vivo measurements.
63  right angle light scatter
(3 times)
Cell Biology
(1 time)
AM (1 time)
AMs (1 time)
CAP (1 time)
1995 Flow cytometric assay of lung macrophage uptake of environmental particulates.
64  right anterior sectionectomy
(3 times)
General Surgery
(3 times)
CH (1 time)
CLT (1 time)
HCC (1 time)
2014 Surgical impact of an inferior right hepatic vein on right anterior sectionectomy and right posterior sectionectomy.
65  roll-around system
(3 times)
Environmental Health
(3 times)
LOD (2 times)
ppb (2 times)
ppm (2 times)
2000 Hourly personal exposures to fine particles and gaseous pollutants--results from Baltimore, Maryland.
66  Running Addiction Scale
(3 times)
Sports Medicine
(1 time)
CR (1 time)
1990 Running addiction: measurement and associated psychological characteristics.
67  Russian Academy of Sciences
(3 times)
Neurosurgery
(1 time)
CAS (1 time)
IIT (1 time)
LE (1 time)
2009 Trends for nanotechnology development in China, Russia, and India.
68  RA simulator
(2 times)
Nutritional Sciences
(2 times)
BAS (2 times)
BBS (2 times)
INF (2 times)
2018 Effects of Processing Conditions During Manufacture on Retronasal-Aroma Compounds from a Milk Coffee Drink.
69  Racial Argument Scale
(2 times)
Nursing
(1 time)
--- 2003 The persuasiveness of racial arguments as a subtle measure of racism.
70  radiation-induced sarcomas
(2 times)
Neoplasms
(2 times)
CR (1 time)
LC (1 time)
RT (1 time)
2012 Radiation-associated sarcoma of the skull base after irradiation for pituitary adenoma.
71  radical affording substances
(2 times)
Pharmacology
(2 times)
RQS (1 time)
2005 A study of free radical release from beta-cyclodextrin-anticancer pro-drugs adducts in water.
72  radiological atelectasis score
(2 times)
Education
(1 time)
COT (1 time)
HFNC (1 time)
ICU (1 time)
2017 Low Tidal Volume Positive End-Expiratory Pressure versus High Tidal Volume Zero-Positive End-Expiratory Pressure and Postoperative Pulmonary Functions in Robot-Assisted Laparoscopic Radical Prostatectomy.
73  Radiosurgery AVM Scale
(2 times)
Neurosurgery
(2 times)
AVMs (2 times)
GKS (1 time)
2014 Radiosurgery for ruptured intracranial arteriovenous malformations.
74  radiotherapy associated sarcoma
(2 times)
Otolaryngology
(1 time)
NPC (1 time)
2014 [The clinical features and prognosis of radiotherapy associated sarcoma (RAS) following radiotherapy for nasopharyngeal carcinoma].
75  RAND appropriateness scale
(2 times)
Gastroenterology
(2 times)
CD (1 time)
DI (1 time)
QIs (1 time)
2010 An explicit quality indicator set for measurement of quality of care in patients with cirrhosis.
76  rape and sexual assault
(2 times)
Medicine
(2 times)
BAC (1 time)
LE (1 time)
2014 Sexually assaulted victims are getting younger.
77  rapid active sampling
(2 times)
Tropical Medicine
(1 time)
AGE (2 times)
NoV (2 times)
PAF (1 time)
2017 Rapid Active Sampling Surveys as a Tool to Evaluate Factors Associated with Acute Gastroenteritis and Norovirus Infection among Children in Rural Guatemala.
78  recently accreted soil
(2 times)
Environmental Health
(2 times)
CP (1 time)
CPT (1 time)
floc (1 time)
2015 Soil and phosphorus accretion rates in sub-tropical wetlands: Everglades Stormwater Treatment Areas as a case example.
79  receptive anal sex
(2 times)
Acquired Immunodeficiency Syndrome
(1 time)
AOR (1 time)
CI (1 time)
HAART (1 time)
2002 Attitudes towards highly active antiretroviral therapy are associated with sexual risk taking among HIV-infected and uninfected homosexual men.
80  recirculation aquaponic system
(2 times)
Toxicology
(1 time)
CG (1 time)
Ct (1 time)
HLR (1 time)
2010 A study on the optimal hydraulic loading rate and plant ratios in recirculation aquaponic system.
81  reflection anisotropy
(2 times)
Biophysics
(2 times)
--- 2015 The reflection anisotropy spectroscopy of the Au(1 1 0) surface structures in liquid environments.
82  reintervention, amputation, or restenosis
(2 times)
General Surgery
(2 times)
CLI (2 times)
CI (1 time)
ET (1 time)
2015 Safety and effectiveness of endovascular therapy for claudication in octogenarians.
83  relative allele strength
(2 times)
Endocrinology
(2 times)
TS (2 times)
SNPs (1 time)
2011 A highly sensitive, high-throughput assay for the detection of Turner syndrome.
84  remaining attachment surface area
(2 times)
Dentistry
(2 times)
LAS (2 times)
1989 Quantification of periodontal attachment at single-rooted teeth.
85  renin angiotensin blockade
(2 times)
Therapeutics
(1 time)
ACELA (1 time)
Ang II (1 time)
ANP (1 time)
1994 Renin-like activity, angiotensin I-converting enzyme-like activity, and osmoregulatory peptides in the dogfish rectal gland.
86  renin-Ang system
(2 times)
Allergy and Immunology
(1 time)
Ang (2 times)
ARBs (1 time)
AT1 (1 time)
2002 Susceptibility to T cell-mediated injury in immune complex disease is linked to local activation of renin-angiotensin system: the role of NF-AT pathway.
87  Renin-angiotensin system inhibitors
(2 times)
Science
(1 time)
CKD (1 time)
ESRD (1 time)
HRs (1 time)
2016 Renal outcome after tonsillectomy plus corticosteroid pulse therapy in patients with immunoglobulin A nephropathy: results of a multicenter cohort study.
88  repressive adaptive style
(2 times)
Psychiatry
(2 times)
BASC (1 time)
2008 Repressive adaptation in a nonclinical sample: consistent and inconsistent reports of child psychosocial functioning across informants.
89  residual apical space
(2 times)
Cardiology
(2 times)
BPF (1 time)
FOB (1 time)
PAL (1 time)
2008 Residual apical space following surgery for pneumothorax increases the risk of recurrence.
90  respiratory alarm symptoms
(2 times)
Respiratory Therapy
(1 time)
GP (1 time)
2015 Lifestyle factors and experience of respiratory alarm symptoms in the general population.
91  responsibility attitudes
(2 times)
Psychology
(1 time)
CES-D (1 time)
IMP/HY (1 time)
IVE (1 time)
2008 Responsibility and impulsivity and their interaction in relation to obsessive-compulsive symptoms.
92  Revascularization Appropriateness Score
(2 times)
Cardiology
(1 time)
ACC/AHA (1 time)
CABG (1 time)
MI (1 time)
1999 Assessing the appropriateness of coronary revascularization: the University of Maryland Revascularization Appropriateness Score (RAS) and its comparison to RAND expert panel ratings and American College of Cardiology/American Heart Association guidelines with regard to assigned appropriateness rating and ability to predict outcome.
93  rheumatoid synoviocytes
(2 times)
Rheumatology
(2 times)
FN (2 times)
GM-CSF (1 time)
IL-1 beta (1 time)
1994 Improved in vitro models for assay of rheumatoid synoviocyte chemotaxis.
94  RLIP antisense
(2 times)
Neoplasms
(2 times)
2HF (2 times)
BC (2 times)
DMBA (1 time)
2019 RLIP inhibition suppresses breast-to-lung metastasis.
95  roots of Angelica sinensis
(2 times)
Pharmacognosy
(1 time)
BSP (1 time)
DH (1 time)
DL (1 time)
2013 Phytochemical and pharmacological studies on Radix Angelica sinensis.
96  Rorschach Alexithymia Scale
(2 times)
Psychiatry
(1 time)
CS (1 time)
2010 Assessment of alexithymia with the Rorschach Comprehensive System: the Rorschach Alexithymia Scale (RAS).
97  Depression Assertiveness Scale
(1 time)
Behavioral Sciences
(1 time)
PSC (1 time)
1984 Psychometric properties of the SUNYA revision of the Psychosomatic Symptom Checklist.
98  Met-rat sarcoma oncogene homolog
(1 time)
Neoplasms
(1 time)
Gab1 (1 time)
Grb2 (1 time)
KRAS (1 time)
2008 Gab1 but not Grb2 mediates tumor progression in Met overexpressing colorectal cancer cells.
99  observed, ATRA syndrome
(1 time)
Nephrology
(1 time)
APL (1 time)
ATRA (1 time)
2007 [Acute renal failure in the transretinoic syndrome].
100  over a strong inducer of senescence
(1 time)
Cell Biology
(1 time)
--- 2011 Activation of the PIK3CA/AKT pathway suppresses senescence induced by an activated RAS oncogene to promote tumorigenesis.