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Abbreviation: API
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Long Form No. Long Form Research Area Co-occurring Abbreviation PubMed/MEDLINE Info. (Year, Title)
active pharmaceutical ingredient
(923 times)
Pharmacology
(580 times)
PLS (37 times)
NIR (33 times)
DSC (32 times)
2000 The determination of oxalic acid, oxamic acid, and oxamide in a drug substance by ion-exclusion chromatography.
Asian/Pacific Islander
(192 times)
Neoplasms
(47 times)
NHW (18 times)
CI (15 times)
SEER (12 times)
1994 The mental health of Asian and Pacific Island elders: implications for research and mental health administration.
application programming interface
(191 times)
Medical Informatics
(79 times)
REST (10 times)
GUI (5 times)
XML (5 times)
1994 The HELIOS Unification Bus: a toolbox to develop client/server applications.
atmospheric pressure ionization
(93 times)
Chemistry Techniques, Analytical
(67 times)
MS (17 times)
APCI (16 times)
ESI (16 times)
1974 Atmospheric pressure ionization (API) mass spectrometry. Solvent-mediated ionization of samples introduced in solution and in a liquid chromatograph effluent stream.
annual parasite incidence
(75 times)
Tropical Medicine
(43 times)
SPR (9 times)
ABER (8 times)
GIS (4 times)
1989 Bio-environmental control of malaria in a tribal area of Mandla district, Madhya Pradesh, India.
approximal plaque index
(53 times)
Dentistry
(31 times)
SBI (14 times)
PBI (8 times)
BOP (7 times)
1989 [Periodontal aspects of removable partial dentures].
apigenin
(48 times)
Pharmacology
(10 times)
LPS (5 times)
Lut (5 times)
NAR (4 times)
1992 Genotoxicities of nitropyrenes and their modulation by apigenin, tannic acid, ellagic acid and indole-3-carbinol in the Salmonella and CHO systems.
air pollution index
(32 times)
Environmental Health
(25 times)
AOD (2 times)
AQI (2 times)
ARIMA (2 times)
2003 Air pollution and case fatality of SARS in the People's Republic of China: an ecologic study.
asthma predictive index
(31 times)
Allergy and Immunology
(16 times)
FeNO (4 times)
CI (3 times)
AOR (2 times)
2009 Mold exposure during infancy as a predictor of potential asthma development.
10  alpha-1-proteinase inhibitor
(30 times)
Biochemistry
(5 times)
PSA (3 times)
ACT (2 times)
COPD (2 times)
1987 The role of proteases and antiproteases in bronchial secretions.
11  Acute Panic Inventory
(28 times)
Psychiatry
(16 times)
PD (8 times)
ASI (4 times)
PSS (4 times)
1987 Antipanic drug effects during lactate infusion in lactate-refractory panic patients.
12  analytical profile index
(26 times)
Microbiology
(7 times)
MALDI-TOF MS (3 times)
CLSI (2 times)
CoNS (2 times)
1984 Assessing the effect of colony counting methods and genetic drift on Ames bioassay results.
13  aminopeptidase I
(20 times)
Cell Biology
(12 times)
Cvt (12 times)
PrB (3 times)
prAPI (2 times)
1992 Aminopeptidase I of Saccharomyces cerevisiae is localized to the vacuole independent of the secretory pathway.
14  age-platelet index
(19 times)
Gastroenterology
(14 times)
APRI (13 times)
AST (10 times)
AAR (9 times)
2006 Noninvasive tests for the prediction of significant hepatic fibrosis in hepatitis C virus carriers with persistently normal alanine aminotransferases.
15  ankle pressure index
(19 times)
General Surgery
(5 times)
US (3 times)
CT (2 times)
APS (1 time)
1976 Value of segmental limb blood pressures in predicting results of aortofemoral bypass.
16  American Petroleum Institute
(16 times)
Toxicology
(5 times)
EPA (3 times)
PAH (2 times)
CAA (1 time)
1988 Early changes produced in mouse skin by the application of three middle distillates.
17  average pain intensity
(16 times)
Psychophysiology
(6 times)
ER (3 times)
MR (3 times)
VCW (3 times)
2005 Comparative efficacy of oral extended-release hydromorphone and immediate-release hydromorphone in patients with persistent moderate to severe pain: two randomized controlled trials.
18  Achromobacter protease I
(14 times)
Biochemistry
(12 times)
AE (1 time)
BPT7 (1 time)
CNBr (1 time)
1989 Cloning, nucleotide sequence, and expression of Achromobacter protease I gene.
19  arterial pressure volume index
(12 times)
Vascular Diseases
(4 times)
AVI (9 times)
SBP (5 times)
baPWV (3 times)
2016 Association of Arterial Pressure Volume Index With the Presence of Significantly Stenosed Coronary Vessels.
20  Autonomy Preference Index
(12 times)
Psychiatry
(2 times)
DM (2 times)
CAT-PC (1 time)
CPS (1 time)
1995 Patient desire for information and decision making in health care decisions: the Autonomy Preference Index and the Health Opinion Survey.
21  attributable proportion of interaction
(11 times)
Communicable Diseases
(5 times)
RERI (10 times)
CI (3 times)
SCC (3 times)
2005 [The apolipoprotein E-CI-CII gene cluster polymorphisms and coronary artery disease].
22  anal position index
(8 times)
Pediatrics
(5 times)
AC (1 time)
AD (1 time)
AEA (1 time)
2002 Evaluation of the location of the anus by a modified technique in the neonate.
23  Ayurvedic Pharmacopoeia of India
(7 times)
Medicine, Ayurvedic
(4 times)
2-DG (1 time)
API-RDBL (1 time)
DM (1 time)
2012 Anti-inflammatory activity of root bark and stem bark of Shyonaka.
24  D-arabinose-5-phosphate isomerase
(6 times)
Biochemistry
(2 times)
A5P (4 times)
LPS (3 times)
Ru5P (3 times)
2003 Escherichia coli YrbH is a D-arabinose 5-phosphate isomerase.
25  ankle/brachial pressure index
(5 times)
General Surgery
(3 times)
ASO (1 time)
IC (1 time)
NIDDM (1 time)
1986 31P nuclear magnetic resonance spectroscopy: noninvasive biochemical analysis of the ischemic extremity.
26  Anticipated Performance Index
(5 times)
Environmental Health
(5 times)
APTI (5 times)
RWC (2 times)
AsA (1 time)
2008 Anticipated Performance Index of some tree species considered for green belt development in and around an urban area: a case study of Varanasi city, India.
27  1-(3-aminopropyl) imidazole
(4 times)
Chemistry
(2 times)
MPEG (2 times)
CBA (1 time)
DS (1 time)
2009 pH-dependent self-assembling behavior of imidazole-containing polyaspartamide derivatives.
28  active principal ingredient
(4 times)
Chemistry Techniques, Analytical
(2 times)
DWPDS (1 time)
NIRS (1 time)
PAT (1 time)
2010 Controlling individual steps in the production process of paracetamol tablets by use of NIR spectroscopy.
29  active product ingredients
(4 times)
Chemistry Techniques, Analytical
(3 times)
ATP (1 time)
AUC (1 time)
BA (1 time)
2009 Pharmaceutical cleaning validation using non-proximate large-area desorption electrospray ionization mass spectrometry.
30  actual protein intake
(4 times)
Nutritional Sciences
(1 time)
BCAA (2 times)
EAR (2 times)
EPI (2 times)
1990 Fosinopril prevents hyperfiltration and decreases proteinuria in post-transplant hypertensives.
31  adult porcine islets
(4 times)
Transplantation
(4 times)
DNM (1 time)
HI (1 time)
IBMIR (1 time)
2000 Distribution of the Galalpha1-3Gal antigen in cultured adult and fetal porcine pancreatic islet cells: an immunoelectron microscopic study.
32  Advanced Psychodiagnostic Interpretation
(4 times)
Psychology
(2 times)
BGT (2 times)
1999 Reliability of the Advanced Psychodiagnostic Interpretation (API) scoring system for the Bender Gestalt.
33  alkaline protease inhibitor
(4 times)
Biochemistry
(4 times)
dr-API (1 time)
EI (1 time)
PDI (1 time)
1999 Alkaline protease inhibitor: a novel class of antifungal proteins against phytopathogenic fungi.
34  Alzheimer's Prevention Initiative
(4 times)
Geriatrics
(1 time)
AD (1 time)
ADAD (1 time)
APOE (1 time)
2011 Alzheimer's Prevention Initiative: a plan to accelerate the evaluation of presymptomatic treatments.
35  approximal space plaque index
(4 times)
Dentistry
(3 times)
BOP (1 time)
CM (1 time)
DPI (1 time)
1977 [Clinical methods for the objective evaluation of oral hygiene].
36  arterial pressure index
(4 times)
Critical Care
(1 time)
ABI (1 time)
BWG (1 time)
FCR (1 time)
1991 Can Doppler pressure measurement replace "exclusion" arteriography in the diagnosis of occult extremity arterial trauma?
37  Asian and Pacific Islander American
(4 times)
Behavioral Sciences
(2 times)
AA (1 time)
CI (1 time)
MSM (1 time)
1998 HIV seroprevalence, risk behaviors, and cognitive factors among Asian and Pacific Islander American men who have sex with men: a summary and critique of empirical studies and methodological issues.
38  aspartyl protease inhibitor
(4 times)
Parasitology
(3 times)
cDNA (1 time)
ChiA (1 time)
ELISAs (1 time)
2005 An aspartyl protease inhibitor of Ostertagia ostertagi: molecular cloning, analysis of stage and tissue specific expression and vaccine trial.
39  Association for Pathology Informatics
(4 times)
Medical Informatics
(4 times)
ACSR (2 times)
CDE (2 times)
DCTD (2 times)
2003 The tissue microarray data exchange specification: a community-based, open source tool for sharing tissue microarray data.
40  atmospheric pressure interfaces
(4 times)
Chemistry Techniques, Analytical
(3 times)
APCI (1 time)
DMSC (1 time)
LOQ (1 time)
2004 LC/UV/ESI-MS analysis of isoflavones in Edamame and Tofu soybeans.
41  acute phase index
(3 times)
Veterinary Medicine
(1 time)
SAA (2 times)
alpha-LA (1 time)
CRP (1 time)
2010 Short communication: relationships between alpha-lactalbumin and quality traits in bulk milk.
42  ankle-arm blood pressure index
(3 times)
Vascular Diseases
(2 times)
ACI (1 time)
CKD (1 time)
FRT (1 time)
1988 Laser Doppler flux reappearance time (FRT) in patients with lower limb atherosclerosis and healthy controls.
43  Appareils et Procedes d'Identification
(3 times)
Microbiology
(3 times)
MPN (1 time)
REC (1 time)
1998 Phenotypic diversity of Xanthomonas sp. mangiferaeindicae.
44  arrowhead proteinase inhibitor B
(3 times)
Genetics
(1 time)
rAPI (1 time)
1997 Expression of the Arrowhead Proteinase Inhibitor B (API) Gene in the Silkworm Larvae and Pupae.
45  autonomous proliferative index
(3 times)
Neoplasms
(2 times)
AG (2 times)
PE (2 times)
AML (1 time)
1995 In vitro autonomous proliferation in ANLL: clinical and biological significance.
46  Abdominal Pain Index
(2 times)
Pediatrics
(1 time)
AP-FGID (1 time)
CSI (1 time)
FAP (1 time)
2015 Validation of the Abdominal Pain Index using a revised scoring method.
47  absolute peak intensity
(2 times)
Diagnostic Imaging
(1 time)
CEUS (2 times)
CUS (1 time)
IOUS (1 time)
2013 Intraoperative contrast-enhanced ultrasound in traumatic brain surgery.
48  acid profile-based index
(2 times)
Neoplasms
(2 times)
CA125 (1 time)
CI (1 time)
ROC (1 time)
2017 Comparison of plasma amino acid profile-based index and CA125 in the diagnosis of epithelial ovarian cancers and borderline malignant tumors.
49  acidogenic potential index
(2 times)
Dentistry
(2 times)
DC (1 time)
1996 Comparison of the plaque pH response to an acidogenic challenge in children and adults.
50  action potential initiation
(2 times)
Biophysics
(2 times)
--- 1999 Excitation of central nervous system neurons by nonuniform electric fields.
51  active pharmaceutical component
(2 times)
Pharmaceutical Preparations
(1 time)
ISS (1 time)
MALDI-MSI (1 time)
PCA (1 time)
2010 Direct analysis of pharmaceutical tablet formulations using Matrix-Assisted Laser Desorption/Ionisation Mass Spectrometry Imaging.
52  Activity Pattern Indicators
(2 times)
Rehabilitation
(2 times)
SRE (1 time)
1984 Measuring functional impairment associated with pain: psychometric analysis of an exploratory scoring protocol for activity pattern indicators.
53  acute pancreatic injury
(2 times)
Gastroenterology
(1 time)
ASNase (1 time)
CLP (1 time)
KO (1 time)
2015 Investigation of protective effect of L-carnitine on L-asparaginase-induced acute pancreatic injury in male Balb/c mice.
54  acute peripheral inflammation
(2 times)
Pharmacology
(2 times)
CSF (1 time)
MDZ (1 time)
2013 Effect of carrageenan-induced acute peripheral inflammation on the electrolyte disposition to cerebrospinal fluid in rats.
55  Addiction Profile Index
(2 times)
Psychiatry
(1 time)
ASI (1 time)
DCS (1 time)
MAST (1 time)
2012 The development, validity, and reliability of the Addiction Profile Index (API).
56  Adolescent Problems Inventory
(2 times)
Pediatrics
(2 times)
PIAG (1 time)
1991 Social skills and antisocial conduct of delinquents.
57  adsorbent performance indicator
(2 times)
Chemistry
(1 time)
--- 2013 An adsorbent performance indicator as a first step evaluation of novel sorbents for gas separations: application to metal-organic frameworks.
58  Aerobic Power Index
(2 times)
Sports Medicine
(2 times)
ICC (2 times)
RPE (2 times)
LHC (1 time)
2007 Test-retest reliability of the Aerobic Power Index submaximal exercise test in an obese population.
59  Alcohol Policy Index
(2 times)
Substance-Related Disorders
(2 times)
APC (1 time)
ESPAD (1 time)
2009 Alcohol control policies and alcohol consumption by youth: a multi-national study.
60  alkaline phosphatase isoenzymes
(2 times)
General Surgery
(1 time)
--- 1981 Alkaline phosphatase isoenzymes in serum of rats during cholestasis.
61  Analytab Products, Inc
(2 times)
Microbiology
(1 time)
--- 1978 Use of Autobac 1 for rapid assimilation testing of Candida and Torulopsis species.
62  Analytab Products, Plainview, N.Y
(2 times)
Microbiology
(2 times)
--- 1981 Characteristics and biotypes of Pasteurella multocida isolated from humans.
63  annual parasite incidence per one thousand population
(2 times)
Tropical Medicine
(1 time)
G6PD (1 time)
1998 Malaria epidemiology, glucose 6-phosphate dehydrogenase deficiency and human settlement in the Vanuatu Archipelago.
64  annual pollen index
(2 times)
Environmental Health
(1 time)
NAO (1 time)
2016 Airborne pollen trends in the Iberian Peninsula.
65  antimicrobial photodynamic inactivation
(2 times)
Biotechnology
(2 times)
CLSM (2 times)
CV (1 time)
PDZ (1 time)
2015 Photodynamic inactivation of a multispecies biofilm using Photodithazine() and LED light after one and three successive applications.
66  approximal plaque
(2 times)
Dentistry
(1 time)
BOP (1 time)
CFB (1 time)
GI (1 time)
2006 A new in vivo method for measuring caries activity using quantitative light-induced fluorescence.
67  approximate policy iteration
(2 times)
Neural Networks (Computer)
(2 times)
RL (2 times)
HAPI (1 time)
LLR (1 time)
2011 Hierarchical approximate policy iteration with binary-tree state space decomposition.
68  arterial pulsatility index
(2 times)
Biomedical Engineering
(2 times)
CPP (2 times)
LV (2 times)
RRc (2 times)
2015 In vitro study of an intra-aortic VAD: Effect of reverse-rotating mode on ventricular recovery.
69  arylphosphoindole
(2 times)
Chemistry
(1 time)
DABO (1 time)
DAPY (1 time)
DPC (1 time)
2011 Synthesis and biological evaluation of aryl-phospho-indole as novel HIV-1 non-nucleoside reverse transcriptase inhibitors.
70  aspergillosis
(2 times)
Pulmonary Medicine
(2 times)
IRC (1 time)
1993 [Invasive pulmonary aspergillosis in 4 patients with acute decompensation of chronic respiratory insufficiency].
71  Association of Physicians of India
(2 times)
Cardiology
(1 time)
CSI (1 time)
STEMI (1 time)
2015 Framework for a National STEMI Program: consensus document developed by STEMI INDIA, Cardiological Society of India and Association Physicians of India.
72  Asthma Predictive Indices
(2 times)
Allergy and Immunology
(2 times)
--- 2011 Validation of the Asthma Predictive Index and comparison with simpler clinical prediction rules.
73  asymptomatic plasmodial infection
(2 times)
Tropical Medicine
(2 times)
qPCR (1 time)
SPI (1 time)
TBS (1 time)
2017 Asymptomatic plasmodial infection in Colombian pregnant women.
74  atmospheric pressure ion
(2 times)
Chemistry Techniques, Analytical
(2 times)
AGC (1 time)
CFD (1 time)
DIA (1 time)
2009 Multiplexed four-channel rectilinear ion trap mass spectrometer.
75  atriopeptin I
(2 times)
Biochemistry
(2 times)
ANF (1 time)
ANP (1 time)
AZB (1 time)
1991 Phorbol and calcium decreased atriopeptin response in a human renal cell line.
76  aviation preflight indoctrination
(2 times)
Aerospace Medicine
(2 times)
--- 2017 Caffeine Consumption Among Naval Aviation Candidates.
77  2-((2-acetyl-6,6-dimethyl-4-phenyl-5,6-dihydro-2H-1,2-oxazin-3-yl)methyl)isoindoline-1,3-dione
(1 time)
Medicine
(1 time)
IBD (1 time)
NF-kappaB (1 time)
2016 Novel Synthetic Oxazines Target NF-kappaB in Colon Cancer In Vitro and Inflammatory Bowel Disease In Vivo.
78  3-aminophthalimide
(1 time)
Biochemistry
(1 time)
--- 2009 The use of 3-aminophthalimide as a pro-chemiluminescent label in chemiluminescence and fluorescence-based cellular assays.
79  A. platensis protein isolate
(1 time)
Chemistry
(1 time)
--- 2016 Effect of pH on the functional properties of Arthrospira (Spirulina) platensis protein isolate.
80  a. pudenda interna
(1 time)
General Surgery
(1 time)
--- 2007 [Substantiation of perineal access to internal pudendal artery].
81  abbreviated prescribing information
(1 time)
Leprosy
(1 time)
IFPMA (1 time)
IJDVL (1 time)
JAAD (1 time)
2014 Drug advertisements in two dermatology journals: a critical comparison of IJDVL and JAAD.
82  abdominal and pelvic injuries
(1 time)
General Surgery
(1 time)
AIS (1 time)
ISS (1 time)
2011 Abdominal and pelvic injuries caused by road traffic accidents: characteristics and outcomes in a French cohort of 2,009 casualties.
83  abnormal placental implantation
(1 time)
Radiology
(1 time)
IR (1 time)
PAE (1 time)
PPH (1 time)
2016 Endovascular management of massive post-partum haemorrhage in abnormal placental implantation deliveries.
84  absence of periradicular inflammation
(1 time)
Dentistry
(1 time)
GE (1 time)
PPI (1 time)
PR (1 time)
1995 Periapical status of endodontically treated teeth in relation to the technical quality of the root filling and the coronal restoration.
85  Abundant Protein Immunodepletion
(1 time)
Biochemistry
(1 time)
PROOF (1 time)
2013 Ultradepletion of human plasma using chicken antibodies: a proof of concept study.
86  acacia protein isolate
(1 time)
Food
(1 time)
APC (1 time)
DFAF (1 time)
2018 Preparation and physicochemical properties of protein concentrate and isolate produced from Acacia tortilis (Forssk.) Hayne ssp. raddiana.
87  academic performance index
(1 time)
Health Services
(1 time)
LAUSD (1 time)
2008 Schools and neighborhoods: organizational and environmental factors associated with crime in secondary schools.
88  Access to Parks Indicator
(1 time)
DC (1 time)
NEPHTN (1 time)
2016 The National Environmental Public Health Tracking Network Access to Parks Indicator: A National County-Level Measure of Park Proximity.
89  accurately with the 'Activity Pattern Interview
(1 time)
Public Health
(1 time)
CBT (1 time)
CFS (1 time)
CFS-AQ (1 time)
2009 Clinical assessment of the physical activity pattern of chronic fatigue syndrome patients: a validation of three methods.
90  acetaminophen
(1 time)
Pharmacology
(1 time)
DSC (1 time)
EI (1 time)
GC-MS (1 time)
2013 Application of differential scanning calorimetry in evaluation of solid state interactions in tablets containing acetaminophen.
91  acid-precipitated serum proteins
(1 time)
Laboratory Techniques and Procedures
(1 time)
--- 1983 Trypsin-inhibitory activities of acid-stable fragments of the inter-alpha-trypsin inhibitor in inflammatory and uraemic conditions.
92  acquired protective immunity
(1 time)
Allergy and Immunology
(1 time)
BCG (2 times)
iNOS (1 time)
NO (1 time)
1995 Dissection of strain difference in acquired protective immunity against Mycobacterium bovis Calmette-Guerin bacillus (BCG). Macrophages regulate the susceptibility through cytokine network and the induction of nitric oxide synthase.
93  acrodermatitis papulosa infantum
(1 time)
Dermatology
(1 time)
--- 1985 [The infantile acrodermatitis syndrome and Epstein-Barr virus infection].
94  active pharmaceutical substance
(1 time)
Drug Therapy
(1 time)
--- 2017 Can pharmaceutical co-crystals provide an opportunity to modify the biological properties of drugs?
95  Active Pharmaceutical/Principle Ingredient
(1 time)
Pharmacology
(1 time)
DDS (1 time)
EVs (1 time)
GMP (1 time)
2017 Mesenchymal stem/stromal cell extracellular vesicles: From active principle to next generation drug delivery system.
96  active policy iteration
(1 time)
Neurology
(1 time)
LSPI (1 time)
2010 Efficient exploration through active learning for value function approximation in reinforcement learning.
97  actomyosin-paramyosin isolated
(1 time)
Nutritional Sciences
(1 time)
TSH (1 time)
2018 Physicochemical characterization of actomyosin-paramyosin from giant squid mantle (Dosidicus gigas).
98  acupuncture point injection
(1 time)
Integrative Medicine
(1 time)
KL (1 time)
OA (1 time)
2017 Therapeutic effect of acupuncture point injection with placental extract in knee osteoarthritis.
99  acute pelvic infection
(1 time)
General Surgery
(1 time)
cIAI (1 time)
2007 Ertapenem or ticarcillin/clavulanate for the treatment of intra-abdominal infections or acute pelvic infections in pediatric patients.
100  acute penetrating artery infarction
(1 time)
Brain
(1 time)
AA (1 time)
AAC (1 time)
2016 [Argatroban, Aspirin, and Clopidogrel Combination Therapy for Acute Penetrating Artery Infarction: A Pilot Study].