| PCOM | posterior communicating [artery] |
|---|---|
| PDA | patent ductus arteriosus; personal digital assistant; posterior descending artery; pulmonary disease... |
| PFT | pancreatic function test; parafascicular thalamotomy; posterior fossa tumor; prednisone, fluorouraci... |
| PGE | platelet granule exract; posterior gastroenterostomy |
| PH | parathyroid hormone; partial hepatectomy; partial hysterectomy; passive hemagglutination; past histo... |