| PAC | papular acrodermatitis of childhood; parent-adult-child; pericarditis-arthropathy-camptodactyly [syn... |
|---|---|
| PAO | peak acid output; peripheral airway obstruction; plasma amine oxidase; polyamine oxidase; pulmonary ... |
| PAPF | platelet adhesiveness plasma factor |
| PAPP | para-aminopropiophenone; pregnancy-associated plasma protein |
| PAPPA | pregnancy-associated plasma protein A |