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Abbreviation: OR
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Long Form No. Long Form Research Area Co-occurring Abbreviation PubMed/MEDLINE Info. (Year, Title)
odds ratio
(111050 times)
Neoplasms
(10083 times)
CI (62452 times)
BMI (3523 times)
HR (2448 times)
0 [The association of bullying with suicide ideation, plan, and attempt among adolescents with GLB or unsure sexual identity, heterosexual identity with same-sex attraction or behavior, or heterosexual identity without same-sex attraction or behavior].
operating room
(2411 times)
General Surgery
(656 times)
ICU (128 times)
LOS (91 times)
ED (76 times)
0 Comparison of Microbial Count on Various Surfaces in Operating Rooms at Different Times of the Day.
risk of CRC
(261 times)
Nutritional Sciences
(24 times)
CI (65 times)
ORs (20 times)
CAD (10 times)
1999 Dietary factors in relation to rheumatoid arthritis: a role for olive oil and cooked vegetables?
objective response
(256 times)
Neoplasms
(175 times)
OS (70 times)
PFS (59 times)
CR (49 times)
1980 Temporary occlusion of the hepatic artery plus infusion and systemic chemotherapy for inoperable cancer of the liver.
olfactory receptor
(230 times)
Molecular Biology
(49 times)
OSNs (9 times)
GPCRs (7 times)
SNPs (7 times)
1996 Sequence analysis in the olfactory receptor gene cluster on human chromosome 17: recombinatorial events affecting receptor diversity.
open repair
(213 times)
General Surgery
(150 times)
EVAR (104 times)
AAA (67 times)
ER (23 times)
1998 Concurrent comparison of endoluminal versus open repair in the treatment of abdominal aortic aneurysms: analysis of 303 patients by life table method.
odorant receptor
(190 times)
Neurology
(45 times)
OSNs (44 times)
OSN (30 times)
OB (15 times)
1996 Genomic structure and transcription of a murine odorant receptor gene: differential initiation of transcription in the olfactory and testicular cells.
overall response
(189 times)
Neoplasms
(89 times)
CR (126 times)
OS (52 times)
PR (42 times)
1990 [Results of combined therapy of irradiation and intra-arterial one-shot injection of cisplatin for head and neck cancers].
opioid receptor
(144 times)
Pharmacology
(26 times)
MOR (9 times)
DOR (7 times)
PKC (7 times)
1995 Cellular distribution of the mRNA for the kappa-opioid receptor in the human neocortex: a non-isotopic in situ hybridization study.
10  older age
(135 times)
Medicine
(20 times)
CI (19 times)
AF (3 times)
ED (3 times)
1999 Hyperfibrinogenemia is an independent risk factor for atherosclerotic renal artery stenosis.
11  optic radiation
(111 times)
Neurology
(31 times)
DTI (40 times)
FA (32 times)
LGN (15 times)
1978 Prominent excitatory pathways in the cat visual cortex (A 17 and A 18): a current source density analysis of electrically evoked potentials.
12  obesity-resistant
(106 times)
Physiology
(50 times)
OP (95 times)
HFD (20 times)
HF (9 times)
1992 Skeletal muscle composition in dietary obesity-susceptible and dietary obesity-resistant rats.
13  overweight
(97 times)
Public Health
(14 times)
BMI (21 times)
CI (13 times)
GWG (4 times)
2001 Gender specific associations of the Trp64Arg mutation in the beta3-adrenergic receptor gene with obesity-related phenotypes in a Mediterranean population: interaction with a common lipoprotein lipase gene variation.
14  ovulation rate
(84 times)
Veterinary Medicine
(48 times)
LS (14 times)
IE (11 times)
UC (11 times)
1983 Testicular growth in boars of different genetic lines and its relationship to reproductive performance.
15  optical rotation
(79 times)
Chemistry
(46 times)
ECD (29 times)
VCD (14 times)
CD (13 times)
1999 Gel--sol transition in kappa-carrageenan systems: microviscosity of hydrophobic microdomains, dynamic rheology and molecular conformation.
16  orienting response
(74 times)
Psychophysiology
(37 times)
SCR (13 times)
HR (7 times)
CIT (3 times)
1975 Defensive responses to phobic stimuli.
17  operational research
(65 times)
Public Health
(9 times)
TB (8 times)
MSF (4 times)
BMI (1 time)
1991 Family planning operations research in Africa: reviewing a decade of experience.
18  object recognition
(62 times)
Behavioral Sciences
(23 times)
OP (10 times)
PA (6 times)
DA (5 times)
2003 Chronic D-amphetamine induces sexually dimorphic effects on locomotion, recognition memory, and brain monoamines.
19  open resection
(57 times)
General Surgery
(32 times)
LR (27 times)
CR (6 times)
AI (4 times)
1998 Cosmesis and body image after laparoscopic-assisted and open ileocolic resection for Crohn's disease.
20  oestrogen receptor
(53 times)
Pathology
(15 times)
PR (17 times)
CK (3 times)
CMTs (2 times)
1981 Effect of median raphe nucleus electrocoagulation and serotonin synthesis blockade on oestrogen receptor content of rat uterus.
21  older
(51 times)
Medicine
(5 times)
CI (5 times)
ORs (4 times)
BMI (3 times)
1998 [Infectious disease and sociodemographic characteristics of foreign immigrants in the Central Penitentiary for Men in Barcelona].
22  oocyte retrieval
(45 times)
Reproductive Medicine
(29 times)
IVF (11 times)
hCG (6 times)
ET (4 times)
1988 Programmed follicular stimulation reduces cycle cost and stress with no compromise in cycle quality: use of a modified programmed protocol.
23  odds risk
(42 times)
Medicine
(5 times)
CI (16 times)
RR (6 times)
HR (3 times)
1989 [Influence of some ambient factors in the epidemiology of essential hypertension].
24  obstructive pulmonary disease
(39 times)
Cardiology
(10 times)
CI (9 times)
COPD (9 times)
LOS (4 times)
2003 [Utilization and effectiveness of the flu vaccination in the prevention of the hospitalization induced by cardiorespiratory decompensation in high-risk patients in Caceres].
25  operative time
(39 times)
General Surgery
(9 times)
CI (9 times)
LOS (6 times)
EBL (4 times)
1991 [The facilitating effect of atrial natriuretic factor on the carotid sinus baroreflex function].
26  orienting reflex
(38 times)
Psychophysiology
(20 times)
SCR (7 times)
HR (6 times)
LPC (5 times)
1976 [Finger vasomotor, heart rate, and electrodermal measures of orienting and defensive reflexes (author's transl)].
27  occupational rhinitis
(34 times)
Occupational Medicine
(9 times)
OA (13 times)
LMW (4 times)
SIC (4 times)
1996 Nasal provocation test in the diagnostics of occupational allergic rhinitis.
28  ovarian reserve
(34 times)
Reproductive Medicine
(15 times)
AMH (15 times)
AFC (8 times)
FSH (8 times)
2000 Recurrent pregnancy loss and diminished ovarian reserve.
29  observed
(28 times)
Public Health
(4 times)
CI (4 times)
CIs (2 times)
ORs (2 times)
2001 [Correlation of protoporphyrin zinc with lead in blood in workers of the car batteries industry in Bogota, Colombia].
30  operation
(28 times)
General Surgery
(11 times)
CI (5 times)
CABG (3 times)
AUC (2 times)
1989 The effect of hemorrhagic shock on the clotting cascade in injured patients.
31  overall
(27 times)
Neoplasms
(7 times)
CI (5 times)
CR (4 times)
ORs (4 times)
1998 Treatment of severe malaria with artemisinin derivatives. A systematic review of randomised controlled trials.
32  origin
(26 times)
Public Health
(3 times)
STEMI (2 times)
AMI (1 time)
BD (1 time)
2000 Hepatitis C virus, hepatitis B virus and human immunodeficiency virus infection in pregnant women in North-East Italy: a seroepidemiological study.
33  overall response rate
(26 times)
Neoplasms
(17 times)
CR (10 times)
PR (10 times)
OS (5 times)
1995 An overview of phase II studies of docetaxel in patients with metastatic breast cancer.
34  osteoporosis
(24 times)
Orthopedics
(6 times)
BMD (3 times)
TSH (3 times)
Al (2 times)
2005 The contribution of serum osteoprotegerin to bone mass and vertebral fractures in postmenopausal women.
35  risk of death
(23 times)
Cardiology
(4 times)
ICU (4 times)
ACS (2 times)
ARDS (2 times)
2008 The risk associated with hyperoncotic colloids in patients with shock.
36  others
(22 times)
Public Health
(4 times)
CI (5 times)
BDI (1 time)
BMD (1 time)
2002 The contribution of prone sleeping position to the racial disparity in sudden infant death syndrome: the Chicago Infant Mortality Study.
37  Ostwald ripening
(21 times)
Chemistry
(14 times)
OA (8 times)
NP (3 times)
NPs (3 times)
2005 Spontaneously formed trans-anethol/water/alcohol emulsions: mechanism of formation and stability.
38  outer retina
(21 times)
Ophthalmology
(10 times)
IR (7 times)
SD-OCT (5 times)
RNFL (4 times)
2009 Fundus autofluorescence and Fourier-domain optical coherence tomography imaging of 10 and 20 millisecond Pascal retinal photocoagulation treatment.
39  ouabain-resistant
(20 times)
Physiology
(9 times)
NEM (8 times)
OS (7 times)
LK (4 times)
1975 Variant HeLa cells selected for their resistance to ouabain.
40  overall complications
(20 times)
General Surgery
(4 times)
HR (3 times)
RP (3 times)
CI (2 times)
2012 Evidence to support the use of laparoscopic over open appendicectomy for obese individuals: a meta-analysis.
41  overall survival
(20 times)
Neoplasms
(9 times)
CI (3 times)
HR (3 times)
HCC (2 times)
2011 Hypoxic modification of radiotherapy in squamous cell carcinoma of the head and neck--a systematic review and meta-analysis.
42  obstruction
(19 times)
Environmental Health
(2 times)
COPD (3 times)
RCTs (2 times)
AR (1 time)
2007 Cohort differences in disease and disability in the young-old: findings from the MRC Cognitive Function and Ageing Study (MRC-CFAS).
43  open surgery
(19 times)
General Surgery
(9 times)
AAA (3 times)
CI (3 times)
EVAR (2 times)
2007 Comparison between the oncologic outcome of laparoscopic surgery and open surgery for T1 and T2 rectosigmoidal and rectal carcinoma: matched case-control study.
44  operations
(19 times)
General Surgery
(6 times)
CI (3 times)
CT (2 times)
ASU (1 time)
1990 Simulation of nitrous oxide concentrations in operating and recovery rooms.
45  over time
(19 times)
General Surgery
(2 times)
CI (4 times)
ED (2 times)
ORs (2 times)
2008 Effects of long working hours and the night shift on severe sleepiness among workers with 12-hour shift systems for 5 to 7 consecutive days in the automobile factories of Korea.
46  oxidoreductase
(19 times)
Biochemistry
(7 times)
AFB1 (2 times)
FGFR2 (2 times)
OMST (2 times)
1991 Enzymological evidence for separate pathways for aflatoxin B1 and B2 biosynthesis.
47  oral
(17 times)
Pharmacology
(5 times)
s.c (3 times)
EMGs (2 times)
EXDE (2 times)
1995 Respiratory-related control of palatoglossus and levator palatini muscle activity.
48  orange
(17 times)
Botany
(5 times)
PSY (4 times)
AtOR (2 times)
Ap (1 time)
2001 Composite films based on biorelated agro-industrial waste and poly(vinyl alcohol). Preparation and mechanical properties characterization.
49  risk of developing SHS
(17 times)
Neurology
(3 times)
CI (3 times)
AD (2 times)
HPLP-II (2 times)
2003 Peculiar HLA polymorphisms in Italian patients with primary biliary cirrhosis.
50  object relations
(16 times)
Psychology
(9 times)
SR (3 times)
CS (2 times)
AS/IO (1 time)
2003 Advances in the assessment of object relations in the 1990s.
51  overweight/obesity
(16 times)
Nutritional Sciences
(3 times)
BMI (4 times)
CI (2 times)
WC (2 times)
2008 Factors associated with adolescents' overweight and obesity at community, school and household levels in Xi'an City, China: results of hierarchical analysis.
52  objective response rate
(15 times)
Neoplasms
(11 times)
CR (6 times)
OS (5 times)
5-FU (3 times)
1990 An overview of the role of radiation therapy and hyperthermia in treatment of malignant melanoma.
53  overlap ratio
(15 times)
Radiology
(3 times)
GA (3 times)
SD-OCT (3 times)
AAD (2 times)
2008 Automatic 3D segmentation of prostate in MRI combining a priori knowledge, Markov fields and Bayesian framework.
54  observed in women
(14 times)
Medicine
(3 times)
ORs (3 times)
CIs (2 times)
MetS (2 times)
2011 N-Acetyltransferase 2 genetic polymorphisms and risk of colorectal cancer.
55  operating theatre
(14 times)
Anesthesiology
(3 times)
AS (1 time)
CI (1 time)
EVAR (1 time)
1999 Laparotomy for necrotizing enterocolitis: intensive care nursery compared with operating theatre.
56  operative
(14 times)
General Surgery
(6 times)
EBL (4 times)
BMI (2 times)
PLND (2 times)
2002 Hand-assisted laparoscopic splenectomy in patients with splenomegaly or prior upper abdominal operation.
57  operator
(14 times)
Molecular Biology
(5 times)
cI (2 times)
CLL (1 time)
OL (1 time)
1975 Nucleotide sequence of the rightward operator of phage lambda.
58  overall risk
(14 times)
Internal Medicine
(1 time)
CI (3 times)
AR (1 time)
AUDPC (1 time)
1991 The impact of a resident-directed survey on the education curriculum of a university surgical training program.
59  octapeptide repeat
(13 times)
Biochemistry
(5 times)
Cbl (3 times)
PrP (3 times)
TNF (3 times)
2005 Transgenic mice expressing bovine PrP with a four extra repeat octapeptide insert mutation show a spontaneous, non-transmissible, neurodegenerative disease and an expedited course of BSE infection.
60  odds ratio estimate
(13 times)
Epidemiology
(4 times)
CI (7 times)
CABS (2 times)
AMI (1 time)
1986 Bladder cancer and occupational exposure to leather.
61  ORadj
(13 times)
Medicine
(2 times)
CI (5 times)
ORs (3 times)
RR (2 times)
1997 The role of diabetes mellitus in the higher prevalence of tuberculosis among Hispanics.
62  other-race
(12 times)
Psychology
(5 times)
SR (10 times)
ERPs (2 times)
ORE (2 times)
2003 Face versus non-face object perception and the 'other-race' effect: a spatio-temporal event-related potential study.
63  overweight/obese
(12 times)
Public Health
(3 times)
BMI (4 times)
CI (3 times)
CHMS (1 time)
2013 Atopy is a risk factor for respiratory symptoms in COPD patients: results from the EUROSCOP study.
64  risk of breast cancer
(12 times)
Neoplasms
(5 times)
CI (3 times)
BC (1 time)
BMI (1 time)
2004 Breast cancer incidence and use of antihypertensive medication in women.
65  risk of hypertension
(12 times)
Cardiology
(2 times)
CI (4 times)
BP (2 times)
CD (1 time)
2015 Associations between serum potassium and sodium levels and risk of hypertension: a community-based cohort study.
66  risk of mortality
(12 times)
General Surgery
(4 times)
CI (2 times)
CIs (2 times)
ORs (2 times)
2016 Development and Validation of a Risk Stratification Score for Children With Congenital Heart Disease Undergoing Noncardiac Surgery.
67  occurrence
(11 times)
Vascular Diseases
(2 times)
BLH (1 time)
BPT (1 time)
BRSs (1 time)
2008 Depression after first-ever ischemic stroke: the prognostic role of neuroanatomic subtypes in clinical practice.
68  older children
(11 times)
Family Practice
(2 times)
CI (4 times)
PCA (2 times)
AOM (1 time)
2006 Postoperative sleep disturbance in pediatric patients using patient-controlled devices (PCA).
69  older patients
(11 times)
Vascular Diseases
(2 times)
BMI (2 times)
CI (2 times)
AMI (1 time)
2005 Is the management of hepatitis C patients appropriate? A population-based study.
70  optical rectification
(11 times)
Optics and Photonics
(10 times)
THz (2 times)
AC (1 time)
BNA (1 time)
2012 Bandwidth tunable THz wave generation in large-area periodically poled lithium niobate.
71  overall mortality
(11 times)
Medicine
(4 times)
CI (5 times)
BMI (2 times)
WMD (2 times)
2010 Benefit of combination beta-blocker and endoscopic treatment to prevent variceal rebleeding: a meta-analysis.
72  overall remission
(11 times)
Hematology
(4 times)
CR (7 times)
PR (6 times)
MM (4 times)
2010 [Bortezomib-based regimen for the treatment of 110 multiple myeloma patients].
73  oxygen radical
(11 times)
Allergy and Immunology
(2 times)
LC 9018 (2 times)
PM (2 times)
SOD (2 times)
1984 Oxygen radical production by peritoneal macrophages and Kupffer cells elicited with Lactobacillus casei.
74  risk of complication
(11 times)
Urology
(2 times)
CI (4 times)
WMD (2 times)
AUS (1 time)
2007 Short-term maternal and neonatal outcomes by mode of delivery. A case-controlled study.
75  risk of stroke
(11 times)
Cardiology
(3 times)
AF (2 times)
CI (2 times)
TIA (2 times)
2010 The GPIIIA PlA2 polymorphism is associated with an increased risk of cardiovascular adverse events.
76  rupture of membranes
(11 times)
Obstetrics
(5 times)
CI (4 times)
BANA (1 time)
MoM (1 time)
1997 Elevated second trimester human chorionic gonadotropin level associated with adverse pregnancy outcome.
77  occurrence of CAD
(10 times)
Cardiology
(2 times)
CI (3 times)
CAD (2 times)
CI-AKI (2 times)
2006 Protective effect of doxycycline use on coronary artery disease?
78  optical reflectometry
(10 times)
Chemistry
(10 times)
QCM-D (4 times)
QCM (3 times)
AFM (2 times)
2006 Effects of copolymer concentration and chain length on the pH-responsive behavior of diblock copolymer micellar films.
79  orbital radiotherapy
(10 times)
Endocrinology
(4 times)
GO (4 times)
IVGC (3 times)
OGC (3 times)
1997 Soluble interleukin-1 receptor antagonist serum levels in smokers and nonsmokers with Graves' ophthalmopathy undergoing orbital radiotherapy.
80  orienting reaction
(10 times)
Psychophysiology
(4 times)
CGR (1 time)
CND (1 time)
DMD (1 time)
1975 The relation between nonnutritive sucking and visual information processing in the human newborn.
81  overall postoperative complications
(10 times)
General Surgery
(6 times)
SMD (3 times)
SFR (2 times)
CENTRAL (1 time)
2012 Laparoscopic appendectomy outcomes on the weekend and during the week are no different: a national study of 151,774 patients.
82  ocular rigidity
(9 times)
Ophthalmology
(5 times)
IOP (4 times)
OPA (3 times)
AL (2 times)
2013 Ocular rigidity: biomechanical role, in vivo measurements and clinical significance.
83  Odiosoft-Rhino
(9 times)
Otolaryngology
(9 times)
AR (4 times)
VAS (4 times)
Hf (2 times)
2006 Nasal expiratory sound analysis in healthy people.
84  offspring
(9 times)
Substance-Related Disorders
(2 times)
ADHD (1 time)
BD (1 time)
BMI (1 time)
2004 Increased predisposition to cancer in brothers and offspring of testicular tumor patients.
85  Ordinal regression
(9 times)
Neural Networks (Computer)
(5 times)
AL (1 time)
BQSVOR (1 time)
CI (1 time)
2009 Block-quantized support vector ordinal regression.
86  overall population
(9 times)
Cardiology
(2 times)
NHANES (2 times)
BMI (1 time)
CI (1 time)
2011 A case-control study of asphalt and tar exposure and lung cancer in minorities.
87  risk of joint complications
(9 times)
Cardiology
(4 times)
PCI (2 times)
AMI (1 time)
AP (1 time)
2003 Association of extraintestinal manifestations of inflammatory bowel disease in a province of western Hungary with disease phenotype: results of a 25-year follow-up study.
88  Oak Ridge
(8 times)
Genetics
(5 times)
PA (4 times)
Dps (1 time)
HI (1 time)
1993 129I and 137Cs fission products in thyroids of animals, 1984-1991.
89  occurrence rate
(8 times)
Neurology
(4 times)
HFOs (3 times)
MI (3 times)
ES (2 times)
2006 Long-term achievement of the therapeutic objectives of lipid-lowering agents in primary prevention patients and cardiovascular outcomes: an observational study.
90  open revascularization
(8 times)
Vascular Diseases
(8 times)
CLI (4 times)
ER (4 times)
ALI (2 times)
2013 Clinical presentation and outcome after failed infrainguinal endovascular and open revascularization in patients with chronic limb ischemia.
91  open surgical repair
(8 times)
General Surgery
(6 times)
AAA (3 times)
EVAR (3 times)
eGFR (2 times)
2006 Initial experiences in management of blunt aortic injury taking associated brain injury into consideration.
92  opioid rotation
(8 times)
Neurology
(5 times)
MEDD (4 times)
ORR (3 times)
AEs (2 times)
1995 Opioid rotation for toxicity reduction in terminal cancer patients.
93  orally
(8 times)
Nutritional Sciences
(2 times)
i.p (2 times)
i.v (2 times)
IM (2 times)
1983 The primary humoral immune response of European green lizards (Lacerta viridis) to Leishmania agamae.
94  Oregon
(8 times)
Environmental Health
(2 times)
WA (5 times)
CA (2 times)
ID (2 times)
2004 Morphology, life cycle biology, and DNA sequence analysis of rust fungi on garlic and chives from california.
95  organization
(8 times)
Occupational Medicine
(2 times)
CM (2 times)
DA (2 times)
PS (2 times)
1985 Determining exposure categories for a refinery retrospective cohort mortality study.
96  organs
(8 times)
Pathology
(2 times)
SE (2 times)
SMP (2 times)
ABP (1 time)
2010 [PIRO classification in pediatric severe sepsis and septic shock: a new model for staging and its potential usefulness in prognoses].
97  organs at risk
(8 times)
Neoplasms
(7 times)
DVHs (2 times)
IMRT (2 times)
PTV (2 times)
1997 Specification of the dose to organs at risk in external beam radiotherapy.
98  orientation
(8 times)
Neurology
(2 times)
OD (2 times)
SF (2 times)
AG (1 time)
2000 Analysis of the elastic net model applied to the formation of ocular dominance and orientation columns.
99  orientation relationship
(8 times)
Biophysics
(1 time)
K-S (2 times)
CRLP (1 time)
EBSD (1 time)
2014 Orientation relationship between alpha-Fe precipitate and alpha-Al2O3 matrix in iron-implanted sapphire.
100  OS rate
(8 times)
Gastroenterology
(2 times)
OS (4 times)
HCC (3 times)
RFA (2 times)
2014 A meta-analysis of cytokine-induced killer cells therapy in combination with minimally invasive treatment for hepatocellular carcinoma.