| PAPS | 3'-phosphoadenosine-5'-phosphosulfate; primary antiphospholipid antibody syndrome |
|---|---|
| PASA | para-aminosalicylic acid; primary acquired sideroblastic anemia; proximal articular set angle |
| PAWS | primary withdrawal syndrome |
| PBC | peripheral blood cell; point of basal convergence; pre-bed care; primary biliary cirrhosis; progesti... |
| PC | avoirdupois weight [Lat. pondus civile]; packed cells; paper chromatography; paracortex; parent cell... |