| PAF-A | platelet-activating factor of anaphylaxis |
|---|---|
| PAFI | platelet-aggregation factor inhibitor |
| PAIgG | platelet-associated immunoglobulin G |
| PAR | participating provider; passive avoidance reaction; perennial allergic rhinitis; photosynthetically ... |
| PAT | Pain Apperception Test; paroxysmal atrial tachycardia; patient; phenylaminotetrazole; physical abili... |