| PH | parathyroid hormone; partial hepatectomy; partial hysterectomy; passive hemagglutination; past histo... |
|---|---|
| PIH | periventricular-intraventricular hemorrhage; phenyl isopropylhydrazine; pregnancy-induced hypertensi... |
| PPHN | persistent pulmonary hypertension of the newborn |
| PVH | periventricular hemorrhage; pulmonary venous hypertension |
| REH | renin essential hypertension |