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Abbreviation: SI
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Long Form No. Long Form Research Area Co-occurring Abbreviation PubMed/MEDLINE Info. (Year, Title)
selectivity index
(1549 times)
Chemistry
(226 times)
PBMC (50 times)
PHA (41 times)
LLNA (30 times)
1975 Salicylate saturation index in neonatal jaundice.
signal intensity
(1308 times)
Radiology
(582 times)
MRI (312 times)
MR (231 times)
ADC (123 times)
1983 NMR imaging of leg tumors.
suicidal ideation
(736 times)
Psychiatry
(360 times)
SA (117 times)
PTSD (63 times)
MDD (56 times)
1995 Suicidal ideation and behaviours among university students in Australia.
self-incompatibility
(502 times)
Botany
(174 times)
SC (94 times)
SRK (47 times)
GSI (32 times)
1975 Self compatibility in garden Chrysanthemum: occurrence, inheritance and breeding potential.
sensitivity
(482 times)
Endocrinology
(194 times)
DI (58 times)
BMI (42 times)
AIRg (36 times)
1983 PACBERG: an adaptive program for controlling the blood sugar.
superior-inferior
(441 times)
Neoplasms
(171 times)
AP (348 times)
LR (156 times)
PTV (60 times)
1983 Assessment of left atrial dimensions by cross sectional echocardiography in patients with mitral valve disease.
stroke index
(424 times)
Cardiology
(53 times)
CI (144 times)
HR (95 times)
MAP (39 times)
1975 Echocardiographic observations in hypertension.
sacroiliac
(393 times)
Rheumatology
(80 times)
MRI (65 times)
SpA (43 times)
AS (37 times)
1975 [Value and limitatious of scintigraphy of the sacro-iliac joints using technetium pyrophosphate].
small intestine
(316 times)
Veterinary Medicine
(39 times)
LI (25 times)
GI (12 times)
WT (12 times)
1980 Relationships between eating rate of sheep and live weight gain, weight and fill of the gastrointestinal tract.
10  stiffness index
(253 times)
Orthopedics
(47 times)
QUS (82 times)
BUA (81 times)
SOS (78 times)
1994 [An epidemiological study on osteoporosis using ultrasound bone densitometry].
11  shock index
(233 times)
Emergency Medicine
(52 times)
HR (45 times)
SBP (45 times)
ROC (30 times)
1992 The role of central venous oximetry, lactic acid concentration and shock index in the evaluation of clinical shock: a review.
12  sucrase-isomaltase
(231 times)
Biochemistry
(51 times)
LPH (24 times)
MGAM (23 times)
APN (15 times)
1977 Immunohistochemical localization of intestinal glycosidases.
13  syncytium-inducing
(225 times)
Virology
(86 times)
NSI (134 times)
HIV-1 (81 times)
HIV (21 times)
1988 Differences in bovine parainfluenza 3 virus variants studied by sequencing of the genes of viral envelope proteins.
14  serum iron
(143 times)
Hematology
(22 times)
TIBC (62 times)
Hb (54 times)
SF (53 times)
1977 Iron metabolism in Trypanosoma lewisi infection: serum iron and serum iron-binding capacity.
15  social interaction
(137 times)
Behavioral Sciences
(37 times)
EPM (26 times)
PPI (10 times)
BLA (9 times)
1985 Pharmacological characterisation of a modified social interaction model of anxiety in the rat.
16  System of Units
(118 times)
Chemistry Techniques, Analytical
(35 times)
NIST (8 times)
CRM (7 times)
CRMs (7 times)
1973 International system of units (SI) in physiology.
17  staining index
(116 times)
Neoplasms
(23 times)
BMI (6 times)
CI (6 times)
OS (6 times)
1989 Value of ER-D5 immunocytochemical determination in routine tissue sections of human breast cancer.
18  similarity index
(110 times)
Diagnostic Imaging
(24 times)
ICC (11 times)
sEMG (10 times)
FLAIR (8 times)
1991 Identification of clinical isolates of gram-negative nonfermentative bacteria by an automated cellular fatty acid identification system.
19  social isolation
(99 times)
Neurology
(30 times)
GH (10 times)
DG (6 times)
EE (6 times)
1990 The effect of sensory deprivation and ego strength on a measure of autistic thinking.
20  substantia innominata
(98 times)
Neurology
(46 times)
AD (11 times)
ChAT (9 times)
NBM (9 times)
1976 Projections of the globus pallidus and adjacent structures: an autoradiographic study in the monkey.
21  symptom index
(96 times)
Gastroenterology
(72 times)
SAP (33 times)
GERD (31 times)
NERD (26 times)
1988 The symptom index: a clinically important parameter of ambulatory 24-hour esophageal pH monitoring.
22  synergy index
(90 times)
Medicine
(9 times)
RERI (37 times)
AP (35 times)
CI (22 times)
1993 Effects of environment on atopic status and respiratory disorders in children.
23  sequential injection
(89 times)
Chemistry Techniques, Analytical
(65 times)
FI (14 times)
EP (4 times)
ETAAS (4 times)
1991 Differential action of amitriptyline on neurons in the trigeminal nucleus.
24  serious infection
(77 times)
Rheumatology
(17 times)
RA (11 times)
TI (5 times)
CI (3 times)
1983 The atrial proliferative response following partial ventricular amputation in the heart of the adult newt. A light and electron microscopic autoradiographic study.
25  social inhibition
(77 times)
Psychiatry
(25 times)
NA (62 times)
SE (9 times)
CAD (7 times)
2000 Type D personality. A potential risk factor refined.
26  severity index
(76 times)
Hematology
(11 times)
CI (6 times)
SCD (5 times)
CAIM (4 times)
1981 Rh isoimmunization: a 24 year experience at Duke University Medical Center.
27  symmetry index
(72 times)
Physiology
(17 times)
PVF (8 times)
GRF (6 times)
EMG (4 times)
1988 Symmetry analysis of cell nuclei.
28  sustained inflation
(71 times)
Pediatrics
(23 times)
PEEP (15 times)
ARDS (13 times)
CC (8 times)
1988 Lung volume recruitment during high-frequency oscillation in atelectasis-prone rabbits.
29  sensory integration
(70 times)
Rehabilitation
(15 times)
EI (8 times)
ASD (6 times)
NDT (6 times)
1976 Spatiotemporal organization of cat lateral geniculate receptive fields.
30  Structured Interview
(65 times)
Psychiatry
(26 times)
JAS (16 times)
CHD (6 times)
TABP (6 times)
1980 Cross-validation of the A/B typology in The Netherlands.
31  spectroscopic imaging
(63 times)
Diagnostic Imaging
(45 times)
NAA (8 times)
ADC (5 times)
Cho (5 times)
1989 Phosphorus-31 magnetic resonance spectroscopy in humans by spectroscopic imaging: localized spectroscopy and metabolite imaging.
32  special intervention
(58 times)
Cardiology
(12 times)
UC (34 times)
MRFIT (15 times)
CHD (10 times)
1982 Multiple risk factor intervention trial. Risk factor changes and mortality results. Multiple Risk Factor Intervention Trial Research Group.
33  somatic sensory cortex
(53 times)
Neurology
(30 times)
HRP (9 times)
SII (6 times)
CO (4 times)
1974 Functional organization of cortical motor areas in adult dogs and puppies.
34  simulated ischemia
(52 times)
Cardiology
(21 times)
IPC (6 times)
iNOS (5 times)
SR (4 times)
1989 Influence of rate-dependent cellular uncoupling on conduction change during simulated ischemia in guinea pig papillary muscles: effect of verapamil.
35  stability index
(52 times)
Ophthalmology
(9 times)
FI (10 times)
HOAs (8 times)
WDI (4 times)
1985 Normal surface properties of phosphatidylglycerol-deficient surfactant from dog after acute lung injury.
36  sphericity index
(48 times)
Cardiology
(21 times)
LV (21 times)
RV (5 times)
MR (4 times)
1976 Geometry of normal mammalian platelets by quantitative microscopic studies.
37  Strain Index
(48 times)
Occupational Medicine
(12 times)
US (7 times)
HR (5 times)
ACGIH (4 times)
2003 Comparison of ergonomic risk assessment outputs from Rapid Upper Limb Assessment and the Strain Index for tasks in automotive assembly plants.
38  situs inversus
(45 times)
General Surgery
(12 times)
PCD (7 times)
LDLT (5 times)
BA (3 times)
1983 Situs inversus: the complex inducing neonatal intestinal obstruction.
39  systemic inflammation
(42 times)
Gastroenterology
(5 times)
LPS (10 times)
CRP (6 times)
Tb (5 times)
2006 Cold-seeking behavior as a thermoregulatory strategy in systemic inflammation.
40  serial interval
(34 times)
Communicable Diseases
(7 times)
CI (4 times)
Rt (3 times)
COVID-19 (2 times)
2002 The time from diagnostic excision biopsy to wide local excision for primary cutaneous malignant melanoma may not affect patient survival.
41  sputum induction
(31 times)
Pulmonary Medicine
(17 times)
TB (7 times)
BAL (6 times)
AFB (3 times)
1992 Cost reduction in diagnosing Pneumocystis carinii pneumonia. Sputum induction versus bronchoalveolar lavage as the initial diagnostic procedure.
42  stress incontinence
(31 times)
Urology
(15 times)
UI (10 times)
DI (2 times)
OI (2 times)
1986 The setting-up of an ambulatory urologic-gynecologic service. Management of patients and results.
43  sagittal index
(30 times)
Orthopedics
(13 times)
ODI (4 times)
RA (4 times)
PLC (3 times)
1990 Sagittal index in management of thoracolumbar burst fractures.
44  speech intelligibility
(30 times)
Audiology
(12 times)
SNR (4 times)
CI (2 times)
EPSM (2 times)
1991 Effects of a single reflection with varied horizontal angle and time delay on speech intelligibility.
45  stable isotope
(30 times)
Environmental Health
(7 times)
FA (7 times)
MS (2 times)
POM (2 times)
2009 Application of stable isotope methodology in the evaluation of the pharmacokinetics of (S,S)-3-[3-(methylsulfonyl)phenyl]-1-propylpiperidine hydrochloride in rats.
46  sodium iodate
(29 times)
Ophthalmology
(9 times)
RPE (13 times)
AMD (9 times)
ERG (9 times)
1983 Effect of the combination of dexamethasone and sodium ipodate on serum thyroid hormones in Graves' disease.
47  stroke volume index
(29 times)
Critical Care
(7 times)
CI (19 times)
HR (12 times)
SVRI (8 times)
1981 Canine left ventricular volume response to mechanical ventilation with PEEP.
48  susceptible-infected
(29 times)
Natural Science Disciplines
(5 times)
SIR (5 times)
SIS (3 times)
CMJ (1 time)
2004 Rational behavioral response and the transmission of STDs.
49  sacroiliitis
(28 times)
Rheumatology
(14 times)
AS (12 times)
MRI (5 times)
BD (3 times)
1977 HLA B27 and sacroiliitis in Pima Indians--association in males only.
50  smoothness index
(27 times)
Vascular Diseases
(9 times)
BP (12 times)
ABPM (6 times)
DBP (4 times)
1999 Spatial distribution of QT dispersion measured by magnetocardiography under stress in coronary artery disease.
51  socially isolated
(27 times)
Neurology
(6 times)
GH (11 times)
EtOH (4 times)
ALLO (3 times)
2004 Regional brainstem expression of Fos associated with sexual behavior in male rats.
52  stenosis index
(27 times)
General Surgery
(9 times)
HP (7 times)
CEB (3 times)
FSGS (3 times)
1990 [The effects of oral adsorbent (AST-120) in the experimental model of chronic renal failure--pathophysiological study on renal function, glomerular hypertrophy, mesangial function and glomerular histology].
53  soy isoflavones
(26 times)
Nutritional Sciences
(4 times)
eNOS (2 times)
i.g (2 times)
LH (2 times)
2006 [Soy isoflavones with supplemental calcium provide protection against the loss of bone mass and influence insulin-like growth factor (IGF)-I after ovariectomy in rat].
54  splenic irradiation
(26 times)
Neoplasms
(13 times)
PLL (4 times)
CLL (3 times)
B-CLL (2 times)
1975 The role of splenic irradiation in chronic lymphocytic leukemia.
55  structured illumination
(25 times)
Ophthalmology
(15 times)
DHM (2 times)
AOM (1 time)
CASI (1 time)
2011 Subdiffraction scattered light imaging of gold nanoparticles using structured illumination.
56  Systeme International
(25 times)
Obstetrics
(4 times)
CBCs (2 times)
AFM (1 time)
CRM (1 time)
1975 Anaesthesia and the Systeme International (SI).
57  spinal cord isolation
(23 times)
Physiology
(19 times)
MHC (12 times)
MG (5 times)
CON (3 times)
1991 Enzymatic responses of cat medial gastrocnemius fibers to chronic inactivity.
58  staining intensity
(23 times)
Neoplasms
(9 times)
PP (6 times)
IRS (4 times)
LI (3 times)
1986 Comparative histological, histochemical, immunohistochemical and biochemical studies on oestrogen receptors, lectin receptors, and Barr bodies in human breast cancer.
59  safety index
(22 times)
Nutritional Sciences
(7 times)
GI (5 times)
AUC (2 times)
AP (1 time)
1986 Development of a safety index for manual lifting tasks.
60  spark ignition
(22 times)
Environmental Health
(14 times)
CI (4 times)
PM (4 times)
NN (3 times)
1999 Assessment of Nontailpipe Hydrocarbon Emissions from Motor Vehicles.
61  Special Issue
(22 times)
Metabolism
(3 times)
AD (1 time)
B5G (1 time)
ESPR (1 time)
2012 Regulated exocytosis per partes.
62  swine influenza
(22 times)
Veterinary Medicine
(11 times)
SIV (5 times)
CRP (3 times)
HA (3 times)
2002 Infectious and rearing-system related risk factors for chronic pleuritis in slaughter pigs.
63  sexual intercourse
(21 times)
Urology
(5 times)
ED (3 times)
EF (2 times)
PE (2 times)
1994 Effect of sexual practices on T cell subsets and delayed hypersensitivity in transsexuals and female sex workers.
64  soybean isoflavones
(21 times)
Environmental Health
(3 times)
MDA (4 times)
3beta-HSD (1 time)
ADFI (1 time)
2003 [Inhibition effect of soybean isoflavones on the oxidative modification of low-density lipoprotein].
65  sarcopenia index
(20 times)
Nutritional Sciences
(5 times)
BMI (4 times)
CT (3 times)
CysC (3 times)
2011 Pulse wave velocity is associated with muscle mass decline: Health ABC study.
66  stomatal index
(20 times)
Botany
(6 times)
SD (12 times)
SL (3 times)
FA (2 times)
2001 Stomatal density and stomatal index as indicators of paleoatmospheric CO(2) concentration.
67  summary index
(20 times)
Neurology
(8 times)
PD (11 times)
HRQoL (10 times)
PDQ-39 (6 times)
1991 A summary index for the assessment of quality of life in angina pectoris.
68  surround inhibition
(20 times)
Neurology
(13 times)
ADM (9 times)
TMS (9 times)
FDI (6 times)
2004 Surround inhibition in human motor system.
69  Shenmai Injection
(19 times)
Complementary Therapies
(18 times)
ACI (2 times)
CHF (2 times)
ET (2 times)
1996 [Effect of shenmai injection on local defence mechanism in peritoneal dialysis rats].
70  splenic infarction
(19 times)
Medicine
(6 times)
CT (3 times)
MRI (2 times)
6MWT (1 time)
1994 [Brain MRI findings in patients with initial cerebral thrombosis and the relationship between incidental findings, aging and dementia].
71  stress index
(19 times)
Critical Care
(4 times)
HRV (7 times)
CT (3 times)
LF (3 times)
2005 Management of severe subarachnoid hemorrhage; significance of assessment of both neurological and systemic insults at acute stage.
72  self-initiated
(18 times)
Neurology
(6 times)
ET (9 times)
PD (5 times)
RT (3 times)
2000 Movement cueing and motor execution in patients with dystonia: a kinematic study.
73  smoking initiation
(18 times)
Psychiatry
(5 times)
ND (5 times)
CPD (3 times)
SNPs (3 times)
1999 A population-based twin study in women of smoking initiation and nicotine dependence.
74  stoichiometry of inhibition
(18 times)
Biochemistry
(14 times)
PAI-1 (3 times)
RCL (3 times)
tPA (2 times)
1993 Reaction of human chymase with reactive site variants of alpha 1-antichymotrypsin. Modulation of inhibitor versus substrate properties.
75  structure index
(18 times)
Environmental Health
(4 times)
EI (7 times)
MI (7 times)
NCR (3 times)
2004 COX-2+ myofibroblasts may play a key role in marked stromal fibrosis in strictured colorectal carcinomas.
76  Sagnac interferometer
(17 times)
Ophthalmology
(15 times)
BPS (2 times)
OPD (2 times)
BOCDA (1 time)
2012 Static hyperspectral imaging polarimeter for full linear Stokes parameters.
77  short intervals
(17 times)
Radiology
(4 times)
LI (8 times)
QTL (2 times)
AF (1 time)
1987 Modification of force-interval relations during early adaptation to pressure overload in dogs.
78  silent ischemia
(17 times)
Cardiology
(7 times)
CAD (6 times)
ACE (1 time)
AECGs (1 time)
1988 Silent myocardial ischaemia and life threatening ventricular arrhythmias.
79  simulation interval
(17 times)
Science
(3 times)
MSM (4 times)
PrEP (3 times)
TB (3 times)
1985 Block of sodium currents by the calcium antagonist D600 in human heart cell segments.
80  stimulation of primary somatosensory cortex
(17 times)
Neurology
(9 times)
fMRI (3 times)
AI (2 times)
SII (2 times)
1991 Neuronal activity in the primary somatosensory cortex in monkeys (Macaca mulatta) during active touch of textured surface gratings: responses to groove width, applied force, and velocity of motion.
81  stratum intermedium
(17 times)
Embryology
(4 times)
SR (6 times)
OEE (4 times)
IEE (3 times)
1980 Ultrastructure of the ameloblast-stratum intermedium border during ameloblast differentiation.
82  swarm intelligence
(17 times)
Medical Informatics
(4 times)
PSO (4 times)
ABC (3 times)
ACO (3 times)
2007 Inferring network interactions using recurrent neural networks and swarm intelligence.
83  sham-intubated
(16 times)
Substance-Related Disorders
(6 times)
PD (12 times)
CPFE (7 times)
AE (5 times)
2007 Persistent impairment of hippocampal neurogenesis in young adult rats following early postnatal alcohol exposure.
84  silent myocardial ischemia
(16 times)
Vascular Diseases
(4 times)
CAD (6 times)
LDL-C (4 times)
TG (3 times)
1988 Silent myocardial ischemia in asymptomatic survivors of unrecognized myocardial infarction and matched controls.
85  social influence
(16 times)
Medical Informatics
(9 times)
BI (9 times)
PE (9 times)
EE (8 times)
1999 Effectiveness of a social influence approach and boosters to smoking prevention.
86  standard indications
(16 times)
Pediatrics
(4 times)
RSVH (5 times)
RSV (4 times)
EI (3 times)
2002 Defining hypnosis as a trance vs. cooperation: hypnotic inductions, suggestibility, and performance standards.
87  sustainable intensification
(16 times)
Environmental Health
(3 times)
AE (1 time)
BAU (1 time)
CA (1 time)
2014 Food security and sustainable intensification.
88  spectral imaging
(15 times)
Diagnostic Imaging
(9 times)
EELS (5 times)
STEM (4 times)
EDX (3 times)
2004 Application of spectral imaging microscopy in cytomics and fluorescence resonance energy transfer (FRET) analysis.
89  stimulus intensity
(15 times)
Neurology
(11 times)
TMS (6 times)
MT (5 times)
SP (5 times)
1992 Silent period measurement revives as a valuable diagnostic tool with transcranial magnetic stimulation.
90  strain imaging
(15 times)
Cardiology
(8 times)
LV (10 times)
SR (4 times)
TDI (4 times)
2005 Pulsed tissue Doppler and strain imaging discloses early signs of infiltrative cardiac disease: a study on patients with familial amyloidotic polyneuropathy.
91  syringe irrigation
(15 times)
Dentistry
(9 times)
LAI (6 times)
PUI (6 times)
CUI (2 times)
2015 Efficacy of low concentrations of sodium hypochlorite and low-powered Er,Cr:YSGG laser activated irrigation against an Enterococcus faecalis biofilm.
92  sacroiliac joint
(14 times)
Orthopedics
(3 times)
AP (2 times)
ASIS (2 times)
CT (2 times)
1992 Quantitative radio-isotope scanning of the sacroiliac joints in ankylosing spondylitis.
93  secondary ion
(14 times)
Chemistry Techniques, Analytical
(6 times)
ToF-SIMS (3 times)
SIMS (2 times)
TOF (2 times)
1985 Enhanced detection of drugs in complex mixtures by derivatization/secondary ion mass spectrometry.
94  Simmental
(14 times)
Veterinary Medicine
(10 times)
BS (6 times)
HO (5 times)
HF (4 times)
1990 Body composition and tissue distribution from birth to 14 months for three biological types of beef heifers.
95  simultaneous interpretation
(14 times)
Brain
(4 times)
ITC (2 times)
WM (2 times)
40-Hz ASSR (1 time)
2000 The translating brain: cerebral activation patterns during simultaneous interpreting.
96  supplemental irrigation
(14 times)
Medicine
(4 times)
AGPA (1 time)
app (1 time)
BwSI (1 time)
2007 Formal peer-teaching in medical school improves academic performance: the MUSC supplemental instructor program.
97  synchronization index
(14 times)
Neurology
(6 times)
AEDs (1 time)
AM (1 time)
aMCI (1 time)
1995 Processing of modulation frequency in the dorsal cochlear nucleus of the guinea pig: amplitude modulated tones.
98  Systeme International d'Unites
(14 times)
Medicine
(4 times)
AMH (1 time)
BSA (1 time)
CFU (1 time)
1976 Experience with SI units in biochemistry.
99  Santa Ines
(13 times)
Veterinary Medicine
(7 times)
GIN (3 times)
IF (2 times)
IgG (2 times)
2006 Annual pattern of plasma melatonin and progesterone concentrations in hair and wool ewe lambs kept under natural photoperiod at lower latitudes in the southern hemisphere.
100  skin incision
(13 times)
General Surgery
(4 times)
ET (2 times)
GI (2 times)
HR (2 times)
1998 The pharmacodynamic interaction between propofol and fentanyl with respect to the suppression of somatic or hemodynamic responses to skin incision, peritoneum incision, and abdominal wall retraction.