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Abbreviation: API
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Long forms: 224

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Long Form No. Long Form Research Area Co-occurring Abbreviation PubMed/MEDLINE Info. (Year, Title)
active pharmaceutical ingredient
(1137 times)
Pharmacology
(687 times)
DSC (42 times)
PLS (42 times)
NIR (39 times)
2000 The determination of oxalic acid, oxamic acid, and oxamide in a drug substance by ion-exclusion chromatography.
application programming interface
(264 times)
Medical Informatics
(95 times)
REST (12 times)
GUI (7 times)
EHR (5 times)
1994 The HELIOS Unification Bus: a toolbox to develop client/server applications.
Asian/Pacific Islander
(228 times)
Neoplasms
(59 times)
NHW (22 times)
CI (21 times)
SEER (21 times)
1994 The mental health of Asian and Pacific Island elders: implications for research and mental health administration.
atmospheric pressure ionization
(96 times)
Chemistry Techniques, Analytical
(70 times)
MS (19 times)
APCI (18 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
(85 times)
Tropical Medicine
(43 times)
ABER (10 times)
SPR (10 times)
GIS (4 times)
1989 Bio-environmental control of malaria in a tribal area of Mandla district, Madhya Pradesh, India.
apigenin
(68 times)
Pharmacology
(17 times)
ROS (9 times)
MDA (6 times)
LPS (5 times)
1992 Genotoxicities of nitropyrenes and their modulation by apigenin, tannic acid, ellagic acid and indole-3-carbinol in the Salmonella and CHO systems.
approximal plaque index
(63 times)
Dentistry
(36 times)
SBI (16 times)
BOP (9 times)
PD (9 times)
1989 [Periodontal aspects of removable partial dentures].
air pollution index
(36 times)
Environmental Health
(29 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.
analytical profile index
(36 times)
Microbiology
(9 times)
MALDI-TOF MS (4 times)
MDR (4 times)
CLSI (3 times)
1984 Assessing the effect of colony counting methods and genetic drift on Ames bioassay results.
10  asthma predictive index
(35 times)
Allergy and Immunology
(18 times)
FeNO (5 times)
CI (3 times)
OR (3 times)
2009 Mold exposure during infancy as a predictor of potential asthma development.
11  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.
12  Acute Panic Inventory
(29 times)
Psychiatry
(17 times)
PD (8 times)
ASI (4 times)
PSS (4 times)
1987 Antipanic drug effects during lactate infusion in lactate-refractory panic patients.
13  age-platelet index
(22 times)
Gastroenterology
(14 times)
APRI (15 times)
AST (13 times)
AAR (10 times)
2006 Noninvasive tests for the prediction of significant hepatic fibrosis in hepatitis C virus carriers with persistently normal alanine aminotransferases.
14  American Petroleum Institute
(22 times)
Toxicology
(5 times)
EPA (3 times)
CAA (2 times)
NPs (2 times)
1988 Early changes produced in mouse skin by the application of three middle distillates.
15  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.
16  average pain intensity
(20 times)
Psychophysiology
(6 times)
MR (5 times)
PISA (4 times)
VCW (4 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.
17  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.
18  arterial pressure volume index
(15 times)
Vascular Diseases
(6 times)
AVI (12 times)
SBP (6 times)
baPWV (3 times)
2016 Association of Arterial Pressure Volume Index With the Presence of Significantly Stenosed Coronary Vessels.
19  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.
20  Autonomy Preference Index
(13 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  Anticipated Performance Index
(12 times)
Environmental Health
(12 times)
APTI (12 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.
22  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].
23  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.
24  Ayurvedic Pharmacopoeia of India
(8 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.
25  1-(3-aminopropyl) imidazole
(7 times)
Chemistry
(3 times)
MPEG (2 times)
PSI (2 times)
CA (1 time)
2009 pH-dependent self-assembling behavior of imidazole-containing polyaspartamide derivatives.
26  Addiction Profile Index
(7 times)
Substance-Related Disorders
(3 times)
MSPSS (2 times)
ASI (1 time)
BAI (1 time)
2012 The development, validity, and reliability of the Addiction Profile Index (API).
27  Alzheimer's Prevention Initiative
(6 times)
Psychiatry
(2 times)
AD (2 times)
ADAD (2 times)
APOE (2 times)
2011 Alzheimer's Prevention Initiative: a plan to accelerate the evaluation of presymptomatic treatments.
28  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.
29  active product ingredient
(5 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  adult porcine islets
(5 times)
Transplantation
(5 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.
31  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.
32  Active Principle 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.
33  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.
34  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.
35  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.
36  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].
37  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?
38  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.
39  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.
40  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.
41  atmospheric pressure interface
(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.
42  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.
43  almond protein isolate
(3 times)
Food
(2 times)
APC (1 time)
DFAF (1 time)
EAI (1 time)
2018 Preparation and physicochemical properties of protein concentrate and isolate produced from Acacia tortilis (Forssk.) Hayne ssp. raddiana.
44  Angiographic parametric imaging
(3 times)
General Surgery
(2 times)
AUROC (3 times)
DSA (3 times)
AIS (1 time)
2020 Automatic radiomic feature extraction using deep learning for angiographic parametric imaging of intracranial aneurysms.
45  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.
46  antimicrobial photodynamic inactivation
(3 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.
47  appareillage et procede d'identification
(3 times)
Microbiology
(3 times)
MPN (1 time)
REC (1 time)
1998 Phenotypic diversity of Xanthomonas sp. mangiferaeindicae.
48  Arrowhead Proteinase Inhibitor
(3 times)
Genetics
(1 time)
rAPI (1 time)
1997 Expression of the Arrowhead Proteinase Inhibitor B (API) Gene in the Silkworm Larvae and Pupae.
49  arterial pulsatility index
(3 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.
50  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.
51  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.
52  abnormal placental invasion
(2 times)
Anesthesia
(1 time)
ARFI (1 time)
CD (1 time)
CS (1 time)
2019 Retrospective Analysis of Eighty-Nine Caesarean Section Cases with Abnormal Placental Invasion.
53  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.
54  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.
55  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.
56  action potential initiation
(2 times)
Biophysics
(2 times)
--- 1999 Excitation of central nervous system neurons by nonuniform electric fields.
57  active pharmaceutical substance
(2 times)
Drug Therapy
(1 time)
--- 2017 Can pharmaceutical co-crystals provide an opportunity to modify the biological properties of drugs?
58  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.
59  actomyosin-paramyosin isolated
(2 times)
Nutritional Sciences
(2 times)
MP (1 time)
TSH (1 time)
2018 Physicochemical characterization of actomyosin-paramyosin from giant squid mantle (Dosidicus gigas).
60  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.
61  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.
62  adaptive preventive intervention
(2 times)
Therapeutics
(1 time)
CWF (1 time)
DD (1 time)
FS (1 time)
2019 Dental caries experience in children of a remote Australian Indigenous community following passive and active preventive interventions.
63  adding a power integrator
(2 times)
Neural Networks (Computer)
(1 time)
AARC (1 time)
FESO (1 time)
MSVs (1 time)
2018 Adaptive Approximation-Based Regulation Control for a Class of Uncertain Nonlinear Systems Without Feedback Linearizability.
64  Adolescent Problems Inventory
(2 times)
Pediatrics
(2 times)
PIAG (1 time)
1991 Social skills and antisocial conduct of delinquents.
65  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.
66  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.
67  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.
68  Alcoholic povidone-iodine
(2 times)
Communicable Diseases
(1 time)
SSI (1 time)
2015 The Combined Impact of Surgical Team Education and Chlorhexidine 2% Alcohol on the Reduction of Surgical Site Infection following Cardiac Surgery.
69  alkaline phosphatase isoenzymes
(2 times)
General Surgery
(1 time)
--- 1981 Alkaline phosphatase isoenzymes in serum of rats during cholestasis.
70  Analytab Products, Inc
(2 times)
Microbiology
(1 time)
--- 1978 Use of Autobac 1 for rapid assimilation testing of Candida and Torulopsis species.
71  Analytab Products, Plainview, N.Y
(2 times)
Microbiology
(2 times)
--- 1981 Characteristics and biotypes of Pasteurella multocida isolated from humans.
72  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.
73  annual pollen index
(2 times)
Environmental Health
(1 time)
NAO (1 time)
2016 Airborne pollen trends in the Iberian Peninsula.
74  apilarnil
(2 times)
Biology
(1 time)
HMGB-1 (1 time)
IL-1beta (1 time)
IL-6 (1 time)
2020 Investigation of protective effects of apilarnil against lipopolysaccharide induced liver injury in rats via TLR 4/ HMGB-1/ NF-kappaB pathway.
75  application interface
(2 times)
Public Health
(1 time)
FLAD (1 time)
NHANES (1 time)
2016 Forensic Loci Allele Database (FLAD): Automatically generated, permanent identifiers for sequenced forensic alleles.
76  Application-based Partial Initialization
(2 times)
Biosensing Techniques
(1 time)
UWASNs (1 time)
2020 A Feasibility Analysis of an Application-Based Partial Initialization (API) Protocol for Underwater Wireless Acoustic Sensor Networks.
77  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.
78  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.
79  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.
80  aspergillosis
(2 times)
Pulmonary Medicine
(2 times)
IRC (1 time)
1993 [Invasive pulmonary aspergillosis in 4 patients with acute decompensation of chronic respiratory insufficiency].
81  Association 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.
82  Asthma Prediction Index
(2 times)
Allergy and Immunology
(2 times)
--- 2011 Validation of the Asthma Predictive Index and comparison with simpler clinical prediction rules.
83  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.
84  atherogenic index of plasma
(2 times)
Hematologic Diseases
(1 time)
TC (2 times)
ApoA1 (1 time)
apoB (1 time)
2015 Lipid lowering efficacy and safety of Ezetimibe combined with rosuvastatin compared with titrating rosuvastatin monotherapy in HIV-positive patients.
85  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.
86  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.
87  Attending Performance Index
(2 times)
Science
(1 time)
ED (1 time)
PDT (1 time)
RTV (1 time)
2017 Possible Age-Related Progression of Attentional Impairment in ADHD and Its Attenuation by Past Diagnosis and Treatment.
88  aviation preflight indoctrination
(2 times)
Aerospace Medicine
(2 times)
--- 2017 Caffeine Consumption Among Naval Aviation Candidates.
89  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.
90  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.
91  A. platensis protein isolate
(1 time)
Chemistry
(1 time)
--- 2016 Effect of pH on the functional properties of Arthrospira (Spirulina) platensis protein isolate.
92  a. pudenda interna
(1 time)
General Surgery
(1 time)
--- 2007 [Substantiation of perineal access to internal pudendal artery].
93  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.
94  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.
95  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.
96  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.
97  Abundant Protein Immunodepletion
(1 time)
Biochemistry
(1 time)
PROOF (1 time)
2013 Ultradepletion of human plasma using chicken antibodies: a proof of concept study.
98  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.
99  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.
100  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.