| PAS | para aminosalicylate; Parent Attitude Scale; patient administration system; patient appointments and... |
|---|---|
| PCS | palliative care service; Patient Care System; patterns of care study; pelvic congestion syndrome; ph... |
| PDS | pain-dysfunction syndrome; paroxysmal depolarizing shift; patient data system; Patient-Doctor Societ... |
| PF | pair feeding; peak flow; perfusion fluid; pericardial fluid; periosteal fibroblast; peritoneal fluid... |
| PHS | Physicians' Health Study; pooled human serum; posthypnotic suggestion; Public Health Service |