| 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... |
| PSAP | primary public safety answering point; prosaposin; pulmonary surfactant apoprotein |
| pub | public |