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Abbreviation: RAs
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Long Form No. Long Form Research Area Co-occurring Abbreviation PubMed/MEDLINE Info. (Year, Title)
retinoic acids
(64 times)
Biochemistry
(9 times)
ATRA (20 times)
RAR (9 times)
APL (8 times)
1994 Retinoids (all-trans and 9-cis retinoic acid) stimulate production of macrophage colony-stimulating factor and granulocyte-macrophage colony-stimulating factor by human bone marrow stromal cells.
research assistants
(58 times)
Emergency Medicine
(11 times)
ED (13 times)
CI (5 times)
CT (3 times)
1999 Cost effectiveness of screening for clinical trials by research assistants versus senior investigators.
receptor agonists
(50 times)
Neoplasms
(14 times)
GLP-1 (23 times)
CINV (9 times)
NK-1 (9 times)
1995 Soluble cytokine receptors and receptor antagonists are sequentially released after trauma.
renal arteries
(28 times)
General Surgery
(8 times)
AA (4 times)
CT (4 times)
MDCT (4 times)
1989 Abnormal blood flow patterns in renal arteries of small preterm infants with patent ductus arteriosus detected by Doppler ultrasonography.
relative abundances
(19 times)
Environmental Health
(6 times)
ARGs (5 times)
BC (2 times)
FC (2 times)
2014 Modulation of Anopheles stephensi gene expression by nitroquine, an antimalarial drug against Plasmodium yoelii infection in the mosquito.
regulatory authorities
(10 times)
Public Health
(3 times)
GLP (3 times)
ADRs (2 times)
OECD (2 times)
2008 Quest for harmonisation: differences and similarities in national programmes for GLP monitoring. A senior inspector's viewpoint.
research associates
(9 times)
Emergency Medicine
(3 times)
ED (2 times)
ABPs (1 time)
ACRIN (1 time)
1996 College research associates: a program to increase emergency medicine clinical research productivity.
resin acids
(9 times)
Environmental Health
(8 times)
EROD (4 times)
AA (3 times)
DHAA (3 times)
1998 Biomarker responses in whitefish (Coregonus lavaretus L. s.l.) experimentally exposed in a large lake receiving effluents from pulp and paper industry.
resident assistants
(8 times)
Behavioral Sciences
(4 times)
CFA (1 time)
JSPE (1 time)
NSSI (1 time)
2010 Resident assistant and college students' perceptions of alcohol use.
10  Rubiaceae-type cyclopeptides
(8 times)
Chemistry
(3 times)
CoMFA (1 time)
CoMSIA (1 time)
HQSAR (1 time)
2009 2D- and 3D-QSAR studies on 54 anti-tumor Rubiaceae-type cyclopeptides.
11  radiologist assistants
(7 times)
Radiology
(5 times)
NMAAs (1 time)
NPs (1 time)
PAs (1 time)
2007 The radiologist assistant: what radiologists need to know now.
12  reactive astrocytes
(6 times)
Neurology
(4 times)
DG (2 times)
FIS (2 times)
GDNF (2 times)
2005 Transition of areas of eosinophilic neurons and reactive astrocytes to delayed cortical infarcts after transient unilateral forebrain ischemia in Mongolian gerbils.
13  risk assessments
(6 times)
Veterinary Medicine
(2 times)
COB (1 time)
CQA (1 time)
ER (1 time)
2008 Developing a Generic Risk Assessment Simulation Modelling Software Tool for Assessing the Risk of Foot and Mouth Virus Introduction.
14  radial arteries
(5 times)
Cardiology
(3 times)
CABG (2 times)
CI (1 time)
ITAs (1 time)
2004 Histamine H1 and H2 receptor-mediated vasoreactivity of human internal thoracic and radial arteries.
15  rapidly adapting afferents
(5 times)
Neurology
(5 times)
PCs (5 times)
SAs (5 times)
1987 Sinusoidal movement of a grating across the monkey's fingerpad: representation of grating and movement features in afferent fiber responses.
16  reference areas
(5 times)
Environmental Health
(5 times)
PCDFs (5 times)
PCDDs (4 times)
SAs (4 times)
2009 Passerine exposure to primarily PCDFs and PCDDs in the river floodplains near Midland, Michigan, USA.
17  refuge alternatives
(5 times)
NIOSH (4 times)
MSHA (2 times)
DBT (1 time)
2016 Validation of temperature and humidity thermal model of 23-person tent-type refuge alternative.
18  resident advisors
(5 times)
Mental Disorders
(1 time)
ES (1 time)
GKT (1 time)
QPR (1 time)
2002 Social norms and the prevention of alcohol misuse in collegiate contexts.
19  random assessments
(4 times)
Psychopharmacology
(1 time)
EMA (2 times)
LMMs (1 time)
NA (1 time)
2011 Attentional bias to drug cues is elevated before and during temptations to use heroin and cocaine.
20  Rayleigh anomalies
(4 times)
Biophysics
(4 times)
SPPs (3 times)
RI (1 time)
2007 Tailoring the sensing capabilities of nanohole arrays in gold films with Rayleigh anomaly-surface plasmon polaritons.
21  recycled aggregates
(4 times)
Nanotechnology
(2 times)
ABS (1 time)
BFS (1 time)
CDW (1 time)
2016 Adsorption of Magnesium Sulfate from Desulfurization Industrial Wastewater by Nano-Cerium Loaded Recycled Aggregates.
22  reperfusion arrhythmias
(4 times)
Cardiology
(2 times)
AMI (2 times)
5-HD (1 time)
cTnT (1 time)
2000 Increased circulating soluble intercellular adhesion molecule-1 in acute myocardial infarction: a possible predictor of reperfusion ventricular arrhythmias.
23  resistance arteries
(4 times)
Vascular Diseases
(3 times)
ACh (1 time)
AChID (1 time)
BDs (1 time)
2003 Nitric oxide-induced decrease in calcium sensitivity of resistance arteries is attributable to activation of the myosin light chain phosphatase and antagonized by the RhoA/Rho kinase pathway.
24  radical anions
(3 times)
Chemistry
(3 times)
CV (1 time)
OD EPR (1 time)
TR MFE (1 time)
2015 Structure and Stability of Pentafluoroaniline and 4-Aminononafluorobiphenyl Radical Anions: Optically Detected Electron Paramagnetic Resonance, Time-Resolved Fluorescence, Time-Resolved Magnetic Field Effect, and Quantum Chemical Study.
25  reactive aldehydes
(3 times)
Biochemistry
(2 times)
HNE (2 times)
ONE (2 times)
PE (2 times)
2019 Vibrational spectroscopy combined with molecular dynamics simulations as a tool for studying behavior of reactive aldehydes inserted in phospholipid bilayers.
26  reducing agents
(3 times)
Environmental Health
(3 times)
AA (2 times)
BA (2 times)
HA (2 times)
2018 Generation of reactive oxygen species by promoting the Cu(II)/Cu(I) redox cycle with reducing agents in aerobic aqueous solution.
27  reference abilities
(3 times)
Diagnostic Imaging
(2 times)
PC (1 time)
RANN (1 time)
2014 The Reference Ability Neural Network Study: motivation, design, and initial feasibility analyses.
28  relative areas
(3 times)
Exercise
(1 time)
80the (1 time)
BOS (1 time)
CLBP (1 time)
2007 Pulmonary emphysema: radiation dose and section thickness at multidetector CT quantification--comparison with macroscopic and microscopic morphometry.
29  ruptured aneurysms
(3 times)
Vascular Diseases
(2 times)
ADs (1 time)
DTAASs (1 time)
eNOS (1 time)
2006 Using endothelial nitric oxide synthase gene polymorphisms to identify intracranial aneurysms more prone to rupture in Japanese patients.
30  ruptured intracranial aneurysms
(3 times)
Neurosurgery
(2 times)
CI (1 time)
SAH (1 time)
SMD (1 time)
2013 Gene expression profiling of blood in ruptured intracranial aneurysms: in search of biomarkers.
31  rapid acetylators
(2 times)
Pharmacology
(2 times)
SAs (2 times)
SMZ (1 time)
TDM (1 time)
1981 Clonazepam acetylation in fast and slow acetylators.
32  rapidly adapting fibers
(2 times)
Psychophysiology
(1 time)
SAs (1 time)
SEPs (1 time)
1994 Cutaneous neural codes for shape.
33  rat astrocytes
(2 times)
Cell Biology
(1 time)
BBB (1 time)
BCECs (1 time)
PLC (1 time)
2003 Functional role of adenosine receptor subtypes in the regulation of blood-brain barrier permeability: possible implications for the design of synthetic adenosine derivatives.
34  recombinant allergens
(2 times)
Allergy and Immunology
(2 times)
ECP (1 time)
MPO (1 time)
SPTs (1 time)
2000 Evaluation of IgE antibodies to recombinant pollen allergens (Phl p 1, Phl p 2, and Phl p 5) in a random sample of patients with specific IgE to Phleum pratense.
35  regional ambassadors
(2 times)
Preservation, Biological
(2 times)
IPR (2 times)
ISBER (2 times)
BPs (1 time)
2020 Diverse Responses of the Biobanks in Indo-Pacific Rim Region During the COVID-19 Pandemic: Case Scenarios from Two Low- and Middle-Income Countries and Two High-Income Countries in the Indo-Pacific Rim Region.
36  regulatory agencies
(2 times)
Nutritional Sciences
(1 time)
ADRs (1 time)
EU (1 time)
PLs (1 time)
2015 The Difficulties in Antihypertensive Drug Prescription During Lactation: Is the Information Consistent?
37  rehabilitation assistants
(2 times)
Rehabilitation
(1 time)
ICU (1 time)
PEQ (1 time)
2007 Crossing professional and organizational boundaries: the implementation of generic rehabilitation assistants within three organizations in the northwest of England.
38  Relational agents
(2 times)
Medical Informatics
(2 times)
ANOVA (1 time)
LMICs (1 time)
NCDs (1 time)
2018 Using Relational Agents to Promote Exercise and Sun Protection: Assessment of Participants' Experiences With Two Interventions.
39  remote areas
(2 times)
Medicine
(1 time)
AMFm (1 time)
nRAs (1 time)
ORAs (1 time)
2009 Patterns of mortality in Indigenous adults in the Northern Territory, 1998-2003: are people living in more remote areas worse off?
40  remoteness areas
(2 times)
Lipids
(1 time)
ASCVD (1 time)
CVRFs (1 time)
FBG (1 time)
2014 Diabetes and poor glycaemic control in rural patients with coronary artery disease.
41  renal anomalies
(2 times)
Genetics, Medical
(1 time)
LDs (1 time)
MAs (1 time)
2004 Renal defects and limb deficiencies in 197 infants: is it possible to define the "acrorenal syndrome"?
42  response areas
(2 times)
Neurology
(2 times)
AI (1 time)
AN (1 time)
CAP (1 time)
1997 Auditory response areas altered by intermodulation distortion products from background tones.
43  retinal antigens
(2 times)
Pathology
(1 time)
CAR (1 time)
NSCLC (1 time)
SCLC (1 time)
2005 Serum antibodies to retinal antigens in lung cancer and sarcoidosis.
44  risk alleles
(2 times)
Endocrinology
(1 time)
log OR (2 times)
T2DM (2 times)
CI (1 time)
2015 Meta-analytic research on the relationship between cumulative risk alleles and risk of type 2 diabetes mellitus.
45  rose anthocyanins
(2 times)
Food Analysis
(1 time)
PS (1 time)
PSRF (1 time)
PVA/OMP (1 time)
2019 Colorimetric film based on polyvinyl alcohol/okra mucilage polysaccharide incorporated with rose anthocyanins for shrimp freshness monitoring.
46  9-cis-retinoic acids
(1 time)
Biochemistry
(1 time)
CRBPII (1 time)
RAR beta (1 time)
1994 In vivo isomerization of retinoic acids. Rapid isomer exchange and gene expression.
47  aromatic ring centers
(1 time)
Biology
(1 time)
ADMET (1 time)
HBAs (1 time)
HYD (1 time)
2018 Novel Transforming Growth Factor-Beta Receptor 1 Antagonists through a Pharmacophore-Based Virtual Screening Approach.
48  arsenic removed
(1 time)
Toxicology
(1 time)
ReGa (1 time)
2004 Separation of gallium and arsenic from the wafer grinding extraction solution.
49  AT-4-oxo-retinoic acids
(1 time)
Toxicology
(1 time)
REL (1 time)
RP (1 time)
2005 Repeated topical treatment, in contrast to single oral doses, with Vitamin A-containing preparations does not affect plasma concentrations of retinol, retinyl esters or retinoic acids in female subjects of child-bearing age.
50  disease-related hospital admissions
(1 time)
Environmental Health
(1 time)
CIs (1 time)
DM (1 time)
DP (1 time)
2019 Synoptic approach to evaluate the effect of temperature on pediatric respiratory disease-related hospitalization in Seoul, Korea.
51  rabbit antiserum
(1 time)
Virology
(1 time)
ELISA (1 time)
JP (1 time)
mAb (1 time)
2010 Serological relationship between Melon yellow spot virus and Watermelon silver mottle virus and differential detection of the two viruses in cucurbits.
52  rabbit polyclonal antiserum
(1 time)
Virology
(1 time)
CSNV (1 time)
mAb (1 time)
TSWV (1 time)
2014 Genetic and serological characterization of chrysanthemum stem necrosis virus, a member of the genus Tospovirus.
53  Radiocontrast agents
(1 time)
Nephrology
(1 time)
NAC (1 time)
ROS (1 time)
2007 Reactive oxygen species independent cytotoxicity induced by radiocontrast agents in tubular cells (LLC-PK1 and MDCK).
54  radionuclide analogs
(1 time)
Environmental Health
(1 time)
--- 2020 Mobility of Radionuclides in Fractured Carbonate Rocks: Lessons from a Field-Scale Transport Experiment.
55  rapid assessments
(1 time)
Health Services Research
(1 time)
AHM (1 time)
HTA (1 time)
2019 Adaptive Evolution in Rapid Assessments: A 25-Year Perspective.
56  rapidly adapting mechanoreceptors
(1 time)
Neurology
(1 time)
MRA (1 time)
1993 Abnormalities of mechanoreceptors in a rat model of neuropathic pain: possible involvement in mediating mechanical allodynia.
57  rapidly adapting Meissner corpuscle mechanoreceptive afferent fibers
(1 time)
Neurology
(1 time)
--- 1987 Tactile discrimination of shape: responses of rapidly adapting mechanoreceptive afferents to a step stroked across the monkey fingerpad.
58  rapidly adapting type I mechanoreceptive afferents
(1 time)
Neurology
(1 time)
SAs (1 time)
SEPs (1 time)
1996 Neural encoding of shape: responses of cutaneous mechanoreceptors to a wavy surface stroked across the monkey fingerpad.
59  rare anaemias
(1 time)
Health Services Research
(1 time)
eENERCA (1 time)
2015 eHealth Services for the European Reference Network on Rare Anaemias (eENERCA).
60  ratio of cross-sectional areas
(1 time)
Dentistry
(1 time)
RDRs (1 time)
2012 Computed micro-tomographic evaluation of glide path with nickel-titanium rotary PathFile in maxillary first molars curved canals.
61  ratios
(1 time)
Histology
(1 time)
--- 1986 Comparative cytospectrophotometry of Wright-stained erythroid cells of vertebrates.
62  readmissions
(1 time)
General Surgery
(1 time)
LH (1 time)
OCAs (1 time)
2012 Laparoscopic versus open liver surgery: a single center analysis of post-operative in-hospital and post-discharge results.
63  Real Actions
(1 time)
Biomedical Engineering
(1 time)
VCVs (1 time)
2021 Analysis of a Fast Control Allocation approach for nonlinear over-actuated systems.
64  receptor affinities
(1 time)
Endocrinology
(1 time)
--- 1991 Scintigraphic studies in rats. Kinetics of insulin analogues covering wide range of receptor affinities.
65  reciprocal actions
(1 time)
Physiology
(1 time)
BFc (1 time)
FI (1 time)
KE (1 time)
2013 Muscle fatigue and metabolic responses following three different antagonist pre-load resistance exercises.
66  recombinogenic arms
(1 time)
Biochemistry
(1 time)
ES (1 time)
GEs (1 time)
1996 Rapid construction in yeast of complex targeting vectors for gene manipulation in the mouse.
67  recommended allowances
(1 time)
Veterinary Medicine
(1 time)
HPMD (1 time)
NRC (1 time)
2019 Evaluation of the nutritional adequacy of recipes for home-prepared maintenance diets for cats.
68  reconstruction algorithms
(1 time)
Radiology
(1 time)
EI (1 time)
HR (1 time)
SD (1 time)
2011 Reconstruction algorithms influence the follow-up variability in the longitudinal CT emphysema index measurements.
69  recovered asymptomatic
(1 time)
Inflammation
(1 time)
HCs (1 time)
RCs (1 time)
2021 Plasma Metabolomic Profiles in Recovered COVID-19 Patients without Previous Underlying Diseases 3 Months After Discharge.
70  Recovery Auditors
(1 time)
Hospitals
(1 time)
CMS (1 time)
2012 Prepayment review pilot project recently launched by CMS.
71  recurrent ameloblastoma
(1 time)
Dentistry
(1 time)
OPG (1 time)
RANK (1 time)
RANKL (1 time)
2014 RANK, RANKL, and OPG in recurrent solid/multicystic ameloblastoma: their distribution patterns and biologic significance.
72  Recurrent intracranial aneurysms
(1 time)
Neurosurgery
(1 time)
--- 2018 Management of Residual and Recurrent Aneurysms After Clipping or Coiling: Clinical Characteristics, Treatments, and Follow-Up Outcomes.
73  red arils
(1 time)
Biology
(1 time)
--- 2021 Bioactive Components, Volatile Profile and In Vitro Antioxidative Properties of Taxus baccata L. Red Arils.
74  reference amounts
(1 time)
Public Health
(1 time)
HSR (1 time)
2020 A comparison of the nutritional quality of products offered by the top packaged food and beverage companies in Canada.
75  reference architectures
(1 time)
Biosensing Techniques
(1 time)
IoT (1 time)
2019 Management Platforms and Protocols for Internet of Things: A Survey.
76  reference quantitative PCR assays
(1 time)
Microbiology
(1 time)
--- 2017 Evaluation of Toxoplasma ELITe MGB Real-Time PCR Assay for Diagnosis of Toxoplasmosis.
77  referred areas
(1 time)
Neurology
(1 time)
TrPs (1 time)
2007 Contribution of myofascial trigger points to migraine symptoms.
78  reflexology areas
(1 time)
Complementary Therapies
(1 time)
LBP (1 time)
SS-OCT (1 time)
2013 Noninvasive characterisation of foot reflexology areas by swept source-optical coherence tomography in patients with low back pain.
79  refraction artifacts
(1 time)
Ultrasonics
(1 time)
US (1 time)
2021 Refraction artifact on abdominal sonogram.
80  regenerative amplifiers
(1 time)
Ophthalmology
(1 time)
--- 2019 Picosecond slab regenerative amplifier using a large fundamental mode stable-unstable hybrid cavity.
81  regional anaesthetics
(1 time)
Anesthesiology
(1 time)
GAs (1 time)
ICU (1 time)
MMH (1 time)
1991 ICU admissions from an obstetrical hospital.
82  Registry administrators
(1 time)
Reproductive Medicine
(1 time)
NMR (1 time)
2015 Neonatal mortality and coverage of essential newborn interventions 2010 - 2013: a prospective, population-based study from low-middle income countries.
83  regular attenders
(1 time)
Dentistry
(1 time)
IRAs (1 time)
POAs (1 time)
2016 Tooth Loss in Problem-oriented, Irregular, and Regular Attenders at Dental Offices.
84  regular dental attenders
(1 time)
Dentistry
(1 time)
POAs (1 time)
2001 Dental self-care among dentate adults: contrasting problem-oriented dental attenders and regular dental attenders.
85  regulation agents
(1 time)
Chemistry
(1 time)
ee (1 time)
2015 Supramolecularly Regulated Ligands for Asymmetric Hydroformylations and Hydrogenations.
86  Reinforcer assessments
(1 time)
Brain
(1 time)
RA (1 time)
SPA (1 time)
2012 Assessing preferences of individuals with acquired brain injury using alternative stimulus modalities.
87  reintroduced alleles
(1 time)
Ecological and Environmental Phenomena
(1 time)
eQTL (1 time)
NDAs (1 time)
2020 Neanderthal introgression reintroduced functional ancestral alleles lost in Eurasian populations.
88  relationship alterations
(1 time)
Genomics
(1 time)
--- 2021 PM2RA: A Framework for Detecting and Quantifying Relationship Alterations in Microbial Community.
89  relative activities
(1 time)
Allergy and Immunology
(1 time)
hMBP (1 time)
OPs (1 time)
pIgGs (1 time)
2012 IgGs containing light chains of the lamda- and kappa- type and of all subclasses (IgG1-IgG4) from the sera of patients with systemic lupus erythematosus hydrolyze myelin basic protein.
90  relative amounts
(1 time)
Food
(1 time)
CBM (1 time)
SBO (1 time)
SPME-GC-MS (1 time)
2015 The changes in the volatile aldehydes formed during the deep-fat frying process.
91  relative attributes
(1 time)
Neural Networks (Computer)
(1 time)
--- 2017 Random Forest Classifier for Zero-Shot Learning Based on Relative Attribute.
92  religious authorities
(1 time)
Medicine
(1 time)
MOH (1 time)
WHO (1 time)
2021 Web-based COVID-19 risk communication by religious authorities in Uganda: a critical review.
93  remission and also during subsequent exacerbation
(1 time)
Gastroenterology
(1 time)
CD (1 time)
HCs (1 time)
2019 Faecal Microbiota Dynamics and their Relation to Disease Course in Crohn's Disease.
94  renal abnormalities
(1 time)
Acquired Immunodeficiency Syndrome
(1 time)
CrCl (1 time)
NRTI (1 time)
OR (1 time)
2014 Renal and metabolic toxicities following initiation of HIV-1 treatment regimen in a diverse, multinational setting: a focused safety analysis of ACTG PEARLS (A5175).
95  Renal arteries
(1 time)
Cardiology
(1 time)
AOS (1 time)
PAs (1 time)
pETC (1 time)
2002 Diversity in mitochondrial function explains differences in vascular oxygen sensing.
96  renal transplantation in the presence of multiple arteries
(1 time)
General Surgery
(1 time)
ESRD (1 time)
2021 Angioplasty and angiorrhaphy efficiency in renal transplantation scenarios with multiple arteries and veins.
97  repeat assemblies
(1 time)
Genomics
(1 time)
RP (1 time)
2012 A Model of Repetitive-DNA-Organized Chromatin Network of Interphase Chromosomes.
98  repeated activities
(1 time)
Public Health
(1 time)
CFFHHS (1 time)
1999 Back pain among persons working on small or family farms--eight Colorado counties, 1993-1996.
99  research articles
(1 time)
Biochemistry
(1 time)
IF (1 time)
MDMs (1 time)
2016 Metadiscourse markers in biological research articles and journal impact factor: Non-native writers vs. native writers.
100  resequencing arrays
(1 time)
Medicine
(1 time)
--- 2008 Genotyping of Bacillus cereus strains by microarray-based resequencing.