| PDH | past dental history; phosphate dehydrogenase; position-of-the-dynamometer-handle [test]; progressive... |
|---|---|
| PHI | passive hemagglutination inhibition; past history of illness; phosphohexose isomerase; physiological... |
| Phx | past history; pharynx |
| PMH | past medical history; posteromedial hypothalamus |
| PPH | past pertinent history; persistent pulmonary hypertension; phosphopyruvate hydratase; postpartum hem... |