| PAHA | para-aminohippuric acid; procainamide-hydroxylamine |
|---|---|
| PAPP | para-aminopropiophenone; pregnancy-associated plasma protein |
| PAS | para aminosalicylate; Parent Attitude Scale; patient administration system; patient appointments and... |
| PASA | para-aminosalicylic acid; primary acquired sideroblastic anemia; proximal articular set angle |
| PAS-C | para-aminosalicylic acid crystallized with ascorbic acid |