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Abbreviation: PCA
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Long forms: 548

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Long Form No. Long Form Research Area Co-occurring Abbreviation PubMed/MEDLINE Info. (Year, Title)
principal component analysis
(11866 times)
Environmental Health
(1660 times)
HCA (473 times)
PLS (465 times)
PLS-DA (457 times)
1975 Repeatability of Principal Components in Samples: Normal and Non-Normal Data Sets Compared.
patient-controlled analgesia
(1748 times)
Anesthesiology
(652 times)
VAS (265 times)
PONV (68 times)
NRS (41 times)
1982 Patient-controlled analgesia: a new concept of postoperative pain relief.
passive cutaneous anaphylaxis
(655 times)
Pharmacology
(217 times)
DSCG (35 times)
IgE (31 times)
OVA (31 times)
1957 Passive cutaneous anaphylaxis (PCA) in the guinea pig; an immunologic and pathologic study.
posterior cerebral artery
(625 times)
Neurology
(225 times)
MCA (150 times)
ACA (81 times)
ICA (68 times)
1977 The angiographic diagnosis of occlusions of the posterior cerebral artery.
procoagulant activity
(399 times)
Hematology
(105 times)
TF (103 times)
LPS (57 times)
PS (26 times)
1976 Procoagulant and platelet aggregating properties of antilymphocyte sera.
p-chloroamphetamine
(334 times)
Pharmacology
(124 times)
5-HT (40 times)
PCPA (32 times)
5-HIAA (31 times)
1975 Long-term effects of p-chloroamphetamine and related drugs on central serotonergic mechanisms.
posterior cricoarytenoid
(258 times)
Otolaryngology
(135 times)
TA (76 times)
CT (54 times)
RLN (44 times)
1975 Localization of laryngeal motor neurons in the kitten.
postconceptional age
(217 times)
Pediatrics
(97 times)
GA (24 times)
PNA (14 times)
NICU (11 times)
1977 Specific airway conductance in relation to postconceptional age during infancy.
phenazine-1-carboxylic acid
(204 times)
Microbiology
(59 times)
Plt (15 times)
SC (11 times)
PYO (10 times)
1966 The N-terminal sequence of the heavy chain of rabbit immunoglobulin IgG.
10  posterior cortical atrophy
(193 times)
Neurology
(137 times)
AD (65 times)
tAD (14 times)
CSF (10 times)
1991 Alzheimer's disease in a patient with posterior cortical atrophy.
11  protocatechuic acid
(177 times)
Nutritional Sciences
(32 times)
C3G (7 times)
GA (7 times)
TNF-alpha (7 times)
1986 Interaction of bovine renal mitochondrial cytochrome P-450 with antioxidants.
12  portacaval anastomosis
(122 times)
Gastroenterology
(33 times)
HE (13 times)
5-HT (5 times)
CBF (5 times)
1974 [Influence of protocaval anastomosis (PCA) on the activity of cytoplasmtic, mitochondrial and microsomal enzymes in the normal and cirrhotic rat-liver].
13  perchloric acid
(112 times)
Biochemistry
(19 times)
TCA (10 times)
CEA (8 times)
NMR (7 times)
1976 Loss of ATP in micromolar amounts after perchloric acid treatment.
14  posterior ciliary artery
(77 times)
Ophthalmology
(54 times)
CRA (52 times)
OA (46 times)
RI (35 times)
1978 Fibrinolytic properties of some optic nerve vessels.
15  parietal cell antibodies
(70 times)
Gastroenterology
(17 times)
ANA (8 times)
IFA (6 times)
PA (6 times)
1975 Effect of prolonged administration of homologous and heterologous intrinsic factor antibodies on the parietal and peptic cell masses and the secretory function of the rat gastric mucosa.
16  pentachloroanisole
(69 times)
Environmental Health
(24 times)
PCP (17 times)
TeCA (12 times)
CHX (10 times)
1978 Mass fragmentographic determination of pentachlorophenol in rainbow trout.
17  protein-fragment complementation assay
(69 times)
Biochemistry
(18 times)
PPIs (11 times)
DHFR (5 times)
FRET (4 times)
2001 Fast selection of antibodies without antigen purification: adaptation of the protein fragment complementation assay to select antigen-antibody pairs.
18  porous-coated anatomic
(59 times)
Orthopedics
(42 times)
THA (5 times)
UHMWPE (2 times)
ABI (1 time)
1986 Histologic and microradiographic analysis of a revised porous-coated anatomic (PCA) patellar component. A case report.
19  posterior condylar angle
(54 times)
Orthopedics
(33 times)
TKA (18 times)
TEA (14 times)
CT (10 times)
2003 Computed tomographic study of the posterior condylar angle in arthritic knees: its use in the rotational positioning of the femoral implant of total knee prostheses.
20  protocatechuate
(46 times)
Bacteriology
(15 times)
3MGA (5 times)
4HB (3 times)
OMA (3 times)
1979 Catabolism of protocatechuate by Bacillus macerans.
21  principal component
(44 times)
Environmental Health
(11 times)
HCA (4 times)
MD (3 times)
CA (2 times)
1996 Detection of metal contamination in wild asparagus near a waste disposal site.
22  percutaneous cryoablation
(40 times)
Urology
(22 times)
LCA (7 times)
RCC (7 times)
CT (6 times)
2010 Ablative therapies in the treatment of small renal tumors: how far from standard of care?
23  plate count agar
(32 times)
Nutritional Sciences
(16 times)
TSA (4 times)
LAB (3 times)
MA (3 times)
1963 EFFECT OF SODIUM CHLORIDE CONCENTRATION IN AN AGAR MEDIUM ON GROWTH OF HEAT-SHOCKED STAPHYLOCOCCUS AUREUS.
24  principal coordinate analysis
(28 times)
Genetics
(12 times)
AMOVA (5 times)
SSR (4 times)
UPGMA (4 times)
1995 Identification of cultivars and validation of genetic relationships in Mangifera indica L. using RAPD markers.
25  parietal cell
(20 times)
Endocrinology
(5 times)
ANA (6 times)
TPO (3 times)
AAA (2 times)
1982 Organ-specific antibodies in healthy and diabetic children and young adults.
26  Primary cutaneous amyloidosis
(20 times)
Dermatology
(12 times)
FPCA (2 times)
NPL (2 times)
SCA (2 times)
1997 Detection of Epstein-Barr virus in primary cutaneous amyloidosis.
27  Protocatechualdehyde
(18 times)
Medicine
(4 times)
Bcl-2 (2 times)
HUVECs (2 times)
ROS (2 times)
2004 Inhibition of tyrosinase by protocatechuic aldehyde.
28  prothrombin complex activity
(17 times)
Pharmacology
(14 times)
INR (3 times)
2,6-DIP (1 time)
AA (1 time)
1982 Evaluation of a computer-assisted method for individualized anticoagulation: retrospective and prospective studies with a pharmacodynamic model.
29  porcine coronary artery
(15 times)
Pharmacology
(7 times)
NO (3 times)
AA (2 times)
BK (2 times)
1994 Endothelium-dependent relaxation to arachidonic acid in porcine coronary artery: is there a fourth pathway?
30  photocatalytic activity
(14 times)
Nanotechnology
(4 times)
ALD (2 times)
CV (2 times)
NPs (2 times)
2011 Development of multiplexed analysis for the photocatalytic activities of nanoparticles in aqueous suspension.
31  patient-controlled intravenous analgesia
(13 times)
Anesthesiology
(6 times)
PCEA (3 times)
VAS (3 times)
ASA (2 times)
2000 [Continuous peridural analgesia vs patient - controlled intravenous analgesia for pain therapy after thoracotomy].
32  Pavlovian conditioned approach
(13 times)
Behavioral Sciences
(6 times)
US (3 times)
ANI (2 times)
CRs (2 times)
2007 Post-training, but not post-reactivation, administration of amphetamine and anisomycin modulates Pavlovian conditioned approach.
33  posterior cerebral
(13 times)
Neurology
(5 times)
MCA (6 times)
ACA (4 times)
BA (4 times)
1986 Surgical anatomy of the arteries of the posterior fossa.
34  posterior corneal astigmatism
(13 times)
Ophthalmology
(9 times)
TCA (6 times)
ACA (4 times)
ATR (3 times)
2014 Ocular residual astigmatism and topographic disparity vector indexes in normal healthy eyes.
35  precipitation with a compressed antisolvent
(13 times)
Pharmacology
(9 times)
DSC (3 times)
PLLA (3 times)
PLA (2 times)
1998 Process variable implications for residual solvent removal and polymer morphology in the formation of gentamycin-loaded poly (L-lactide) microparticles.
36  procainamide
(13 times)
Pharmacology
(5 times)
MCA (2 times)
14C-NAPA (1 time)
5-azaC (1 time)
1976 The renal elimination of procainamide.
37  primary cicatricial alopecia
(12 times)
Dermatology
(6 times)
eHFSC (2 times)
LPP (2 times)
7-DHC (1 time)
2009 Hair loss as a result of cutaneous autoimmunity: frontiers in the immunopathogenesis of primary cicatricial alopecia.
38  percent cortical area
(11 times)
Orthopedics
(3 times)
CA (3 times)
CCT (2 times)
ALS (1 time)
1982 Age, sex and bilateral variability in cortical bone loss and measurements of the second metacarpal.
39  portable clinical analyzer
(11 times)
Veterinary Medicine
(4 times)
DI (1 time)
ED (1 time)
Hct (1 time)
1993 The evaluation of a portable clinical analyzer in the emergency department.
40  1-phenylcyclohexylamine
(10 times)
Pharmacology
(6 times)
NMDA (4 times)
MES (3 times)
PCDE (2 times)
1984 N-allyl analogues of phencyclidine: chemical synthesis and pharmacological properties.
41  pancarpal arthrodesis
(10 times)
Veterinary Medicine
(10 times)
CLP (3 times)
HDCP (3 times)
MUVTH (2 times)
2008 Long-term assessment of pancarpal arthrodesis performed on working dogs in New Zealand.
42  protein complementation assay
(10 times)
Cell Biology
(2 times)
BRET (2 times)
alphaRep (1 time)
CHIKV (1 time)
2006 Common and specific properties of herpesvirus UL34/UL31 protein family members revealed by protein complementation assay.
43  pulse contour analysis
(10 times)
Cardiology
(3 times)
TPTD (3 times)
CO (2 times)
FMD (2 times)
2006 Non-invasive assessment of endothelial function: which technique?
44  percutaneous coronary angioplasty
(9 times)
Cardiology
(3 times)
AMI (3 times)
MRI (2 times)
AMIs (1 time)
1985 [Emergency cardiac pacing via a coronary vessel during percutaneous coronary angioplasty].
45  Postpartum cerebral angiopathy
(9 times)
Neurology
(6 times)
TCD (2 times)
CT (1 time)
IVIG (1 time)
2002 Post-partum cerebral angiopathy: repetitive TCD, MRI, MRA, and EEG examinations.
46  patient-controlled
(8 times)
Anesthesiology
(5 times)
ERPs (1 time)
MPQ (1 time)
NMDA (1 time)
1994 Pre-emptive lumbar epidural anaesthesia reduces postoperative pain and patient-controlled morphine consumption after lower abdominal surgery.
47  penicillamine
(8 times)
Gastroenterology
(2 times)
WD (5 times)
ALT (1 time)
DA (1 time)
1980 D-penicillamine: its actions on lead transport in bone organ culture.
48  polymerase chain assembly
(8 times)
Biotechnology
(3 times)
EPCR (1 time)
mTAS (1 time)
PCR (1 time)
2007 Rational de novo gene synthesis by rapid polymerase chain assembly (PCA) and expression of endothelial protein-C and thrombin receptor genes.
49  primary cardiac arrest
(8 times)
Vascular Diseases
(2 times)
OR (3 times)
MI (2 times)
AMI (1 time)
1982 Physical activity and primary cardiac arrest.
50  probabilistic cellular automata
(8 times)
Physiology
(3 times)
BPCA (1 time)
GA (1 time)
1992 A parallel network for visual cognition.
51  Pancreatic adenocarcinoma
(7 times)
Neoplasms
(6 times)
CI (2 times)
IGF-IR (2 times)
BPL (1 time)
2006 Expression and regulatory role of GAIP-interacting protein GIPC in pancreatic adenocarcinoma.
52  parent-child aggression
(7 times)
Pediatrics
(4 times)
IPA (2 times)
CIRCLE (1 time)
SIP (1 time)
2016 Multimethod prediction of physical parent-child aggression risk in expectant mothers and fathers with Social Information Processing theory.
53  photoconductive antenna
(7 times)
Optics and Photonics
(6 times)
THz (4 times)
LTG (2 times)
CW (1 time)
2012 Enhancement of terahertz pulse emission by optical nanoantenna.
54  protein C activator
(7 times)
Hematology
(4 times)
APC (2 times)
APCR (1 time)
APTT (1 time)
1988 Characterisation and some properties of the protein C activator from Agkistrodon Contortrix Contortrix venom.
55  3-carboxy-2,2,5,5-tetramethyl-1-pyrrolidinyloxy
(6 times)
Pharmacology
(4 times)
EPR (3 times)
CMS (2 times)
DX (2 times)
1997 In vitro/in vivo comparison of drug release and polymer erosion from biodegradable P(FAD-SA) polyanhydrides--a noninvasive approach by the combined use of electron paramagnetic resonance spectroscopy and nuclear magnetic resonance imaging.
56  pentachloroethane
(6 times)
Environmental Health
(5 times)
1,1,2,2-TeCA (3 times)
HCA (3 times)
1,1,1,2-TeCA (2 times)
2001 Transformation of chlorinated aliphatic compounds by ferruginous smectite.
57  pericallosal artery
(6 times)
Radiology
(2 times)
ACA (1 time)
ACoA (1 time)
CC (1 time)
1989 Cardiac determinants of cerebral blood flow during extracorporeal membrane oxygenation.
58  phase contrast angiography
(6 times)
Diagnostic Imaging
(2 times)
MRA (2 times)
ADC (1 time)
EPI (1 time)
1995 Cine phase contrast angiography of normal and diseased peripheral arteries. Preliminary results.
59  poly citric acid
(6 times)
Nanotechnology
(2 times)
PEG (3 times)
AM (1 time)
Am-CUR (1 time)
2010 Poly(citric acid)-block-poly(ethylene glycol) copolymers--new biocompatible hybrid materials for nanomedicine.
60  posterior communicating artery
(6 times)
Anatomy
(1 time)
5-HT (1 time)
ACA (1 time)
GOS (1 time)
1979 Analysis of the contractile effect of 5-hydroxytryptamine on the isolated posterior communicating artery of the cat.
61  probe competition assay
(6 times)
Sexually Transmitted Diseases
(2 times)
RLU (3 times)
CZ (1 time)
MNYC (1 time)
1994 Evaluation of the Gen-Probe PACE 2 and the Microtrak enzyme immunoassay for diagnosis of Chlamydia trachomatis in urogenital samples.
62  patient-controlled analgesia with morphine
(5 times)
Anesthesiology
(4 times)
IVN (2 times)
FNB (1 time)
FNBs (1 time)
2002 Multimodal analgesia and intravenous nutrition preserves total body protein following major upper gastrointestinal surgery.
63  patient-controlled pump
(5 times)
Anesthesiology
(3 times)
CTG (1 time)
M6G (1 time)
MLAEPs (1 time)
1990 Reduction of postoperative morbidity following patient-controlled morphine.
64  percentage close agreement
(5 times)
Rheumatology
(2 times)
PEA (3 times)
CAIT (1 time)
CR (1 time)
2012 Manual testing for ankle instability.
65  person-centred approach
(5 times)
Health Services Research
(3 times)
CBA (2 times)
EPDS (2 times)
CBT (1 time)
2009 Psychological interventions for postnatal depression: cluster randomised trial and economic evaluation. The PoNDER trial.
66  Phonological Components Analysis
(5 times)
Speech-Language Pathology
(3 times)
SFA (3 times)
2013 A comparison of semantic feature analysis and phonological components analysis for the treatment of naming impairments in aphasia.
67  portacaval shunt
(5 times)
Biology
(2 times)
--- 1976 Acid-base status in liver cirrhosis. Disturbances in stable, terminal and portal-caval shunted patients.
68  PreCancer Atlas
(5 times)
Neoplasms
(4 times)
AACR (1 time)
CHIP (1 time)
FAP (1 time)
2017 Precancer Atlas to Drive Precision Prevention Trials.
69  primary component analysis
(5 times)
Biotechnology
(1 time)
CF (1 time)
CRP (1 time)
CWT (1 time)
2004 The fetal electrocardiogram by independent component analysis and wavelets.
70  palivizumab-competitive antibody
(4 times)
Allergy and Immunology
(3 times)
RSV (3 times)
MN (2 times)
HCT (1 time)
2014 An insect cell derived respiratory syncytial virus (RSV) F nanoparticle vaccine induces antigenic site II antibodies and protects against RSV challenge in cotton rats by active and passive immunization.
71  papillary carcinoma
(4 times)
Pathology
(2 times)
FCA (2 times)
ACA (1 time)
FA (1 time)
1998 Analysis of TGF-B and TGF-B-RII in Thyroid Neoplasms from the United States, Japan, and China.
72  paraneoplastic cerebellar ataxia
(4 times)
Neurology
(2 times)
N-PCA (2 times)
LEMS (1 time)
2003 [Clinical presentation of immune mediated cerebellar ataxia].
73  patch-clamp amplifier
(4 times)
Neurology
(1 time)
DAQ (1 time)
kEFS (1 time)
SCS (1 time)
2005 Designing a Signal Conditioning System with Software Calibration for Resistor-feedback Patch Clamp Amplifier.
74  Patient Compensation Association
(4 times)
Traumatology
(1 time)
AFC (1 time)
DPC (1 time)
DPIC (1 time)
2015 Medication errors detected in non-traditional databases: types of errors in methotrexate dosing as listed in four different Danish registers.
75  percutaneous
(4 times)
Urology
(4 times)
LCA (3 times)
CA (1 time)
RFS (1 time)
2006 Cost analysis of open, laparoscopic, and percutaneous treatment options for nephron-sparing surgery.
76  percutaneous renal access
(4 times)
Urologic Diseases
(2 times)
PCNL (2 times)
PGTs (2 times)
BMI (1 time)
2015 Assessment of percutaneous renal access skills during Urology Objective Structured Clinical Examinations (OSCE).
77  persistent CA
(4 times)
Diagnostic Imaging
(2 times)
CA (3 times)
LV (2 times)
PIM (2 times)
2006 Percent infarct mapping: an R1-map-based CE-MRI method for determining myocardial viability distribution.
78  PocketAnalyzer
(4 times)
Chemistry
(1 time)
--- 2011 Pocket-space maps to identify novel binding-site conformations in proteins.
79  polycrystalline alumina
(4 times)
Dentistry
(3 times)
SS (3 times)
HDE (1 time)
IT (1 time)
2004 Resistance to sliding of orthodontic brackets with bumps in the slot floors and walls: effects of second-order angulation.
80  pontocerebellar angle
(4 times)
Neurology
(1 time)
ABR (1 time)
AN (1 time)
BAEP (1 time)
1994 Brainstem auditory evoked potentials and blink reflexes in patients with pontocerebellar angle tumors.
81  post-cardiac-arrest
(4 times)
Emergency Medicine
(3 times)
ROSC (2 times)
TH (2 times)
CAC (1 time)
2009 Serum glial fibrillary acidic protein as a predictive biomarker of neurological outcome after cardiac arrest.
82  posterior cervical angle
(4 times)
Obstetrics
(4 times)
CL (3 times)
BS (2 times)
CS (2 times)
2010 Outcome of induction of labour using maternal characteristics, ultrasound assessment and biochemical state of the cervix.
83  predicted corneal acuity
(4 times)
Ophthalmology
(4 times)
BSCVA (2 times)
Avg Sim K (1 time)
BAT (1 time)
1998 An analysis of the accuracy of predicted corneal acuity in the Holladay diagnostic summary program.
84  Primary cutaneous aspergillosis
(4 times)
Medicine
(2 times)
HCs (1 time)
NICU (1 time)
NICUs (1 time)
2005 Primary cutaneous aspergillosis (PCA)--a case report.
85  printed circuit assembly
(4 times)
Toxicology
(2 times)
PCAs (1 time)
WEEE (1 time)
2004 Ergonomics improvements of the visual inspection process in a printed circuit assembly factory.
86  procaine
(4 times)
Neoplasms
(2 times)
HCC (1 time)
miRNAs (1 time)
NSCLC (1 time)
2007 Procaine inhibits the proliferation and DNA methylation in human hepatoma cells.
87  procoagulant cellular activity
(4 times)
Hematology
(2 times)
ANLL (1 time)
1985 Procoagulant cellular activity and disseminated intravascular coagulation in acute non-lymphoid leukaemia.
88  projected cell area
(4 times)
Cell Biology
(2 times)
EMP (2 times)
GH (1 time)
RVD (1 time)
1995 Cell volume and shape oscillations in rat type-II somatotrophs at hypotonic conditions.
89  prostate cancer cells
(4 times)
Neoplasms
(4 times)
BMSC (1 time)
CA (1 time)
CRPC (1 time)
2003 Silibinin sensitizes human prostate carcinoma DU145 cells to cisplatin- and carboplatin-induced growth inhibition and apoptotic death.
90  purple corn anthocyanins
(4 times)
Biochemistry
(3 times)
BRA (1 time)
BSA (1 time)
COX-2 (1 time)
2012 Purple corn anthocyanins dampened high-glucose-induced mesangial fibrosis and inflammation: possible renoprotective role in diabetic nephropathy.
91  pyrrolidone carboxylate
(4 times)
Drug Therapy
(1 time)
TPO (1 time)
1995 Effect of pyrrolidone carboxylate (PCA) and pyridoxine on liver metabolism during chronic ethanol intake in rats.
92  1-pyrenecarboxaldehyde
(3 times)
Biochemistry
(1 time)
AR (1 time)
CNTs (1 time)
GNs (1 time)
1983 Tissue distribution of mammalian aldose reductase and related enzymes.
93  patient-controlled admission
(3 times)
Psychiatry
(3 times)
MHPs (1 time)
TAU (1 time)
2017 Use of patient-controlled psychiatric hospital admissions: mental health professionals' perspective.
94  paw contact area
(3 times)
Science
(2 times)
SL (2 times)
SPD (2 times)
ASIs (1 time)
2011 Accuracy of pressure plate kinetic asymmetry indices and their correlation with visual gait assessment scores in lame and nonlame dogs.
95  PCA group
(3 times)
Bariatrics
(1 time)
AERM (1 time)
i.t (1 time)
LRYGB (1 time)
2009 The efficacy of intrathecal morphine with or without clonidine for postoperative analgesia after radical prostatectomy.
96  Pearson Correlation Analysis
(3 times)
Reproductive Medicine
(1 time)
Cc (1 time)
FINS (1 time)
FPG (1 time)
2012 A new algorithm to predict warfarin dose from polymorphisms of CYP4F2 , CYP2C9 and VKORC1 and clinical variables: derivation in Han Chinese patients with non valvular atrial fibrillation.
97  perceived cognitive ability
(3 times)
Neoplasms
(2 times)
PCI (3 times)
BCS (2 times)
FACT-Cog (2 times)
2015 Perceived cognitive function in breast cancer survivors: evaluating relationships with objective cognitive performance and other symptoms using the functional assessment of cancer therapy-cognitive function instrument.
98  percent change annualized
(3 times)
Perinatology
(1 time)
APC (1 time)
HES (1 time)
NICE (1 time)
2006 Estimating average annual percent change for disease rates without assuming constant change.
99  peritoneal carcinosis
(3 times)
Diagnostic Imaging
(2 times)
CT (1 time)
miRNAs (1 time)
SBP (1 time)
1982 [Computer tomographic features of peritoneal carcinosis (author's transl)].
100  personal care assistance
(3 times)
Physical Medicine
(2 times)
SCI (2 times)
HMV (1 time)
IL (1 time)
1994 The effects of insurance benefits coverage on functional and psychosocial outcomes after spinal cord injury.