| PDH | past dental history; phosphate dehydrogenase; position-of-the-dynamometer-handle [test]; progressive... |
|---|---|
| PH | parathyroid hormone; partial hepatectomy; partial hysterectomy; passive hemagglutination; past histo... |
| PHI | passive hemagglutination inhibition; past history of illness; phosphohexose isomerase; physiological... |
| Phx | past history; pharynx |
| PMH | past medical history; posteromedial hypothalamus |