| PAC | papular acrodermatitis of childhood; parent-adult-child; pericarditis-arthropathy-camptodactyly [syn... |
|---|---|
| PAEP | progestagen-associated endometrial protein |
| PAGA | proliferation-associated gene A |
| PAIgG | platelet-associated immunoglobulin G |
| PAIN | pyoderma gangrenosum, aphthous stomatitis, inflammatory eye disease, erythema nodosum [disorders ass... |