| PH | parathyroid hormone; partial hepatectomy; partial hysterectomy; passive hemagglutination; past histo... |
|---|---|
| PHA | passive hemagglutination [test]; peripheral hyperalimentation; phenylalanine; phytohemagglutinin; ph... |
| PHLS | Public Health Laboratory Service |
| PHS | Physicians' Health Study; pooled human serum; posthypnotic suggestion; Public Health Service |
| PR | by way of the rectum [Lat. per rectum]; far point [of accommodation] [Lat. punctum remotum]; palindr... |