| PP | diphosphate group; emphysema [pink puffers]; near point of accommodation [Lat. punctum proximum]; pa... |
|---|---|
| PTL | peritoneal telencephalic leukoencephalomyopathy; pharyngotracheal lumen; plasma thyroxine level post... |
| VP | physiological volume; vapor pressure; variegate porphyria; vascular permeability; vasopressin; velop... |