| PAS | para aminosalicylate; Parent Attitude Scale; patient administration system; patient appointments and... |
|---|---|
| PLST | progressively lowered stress threshold |
| PMS | patient management system; perimenstrual syndrome; periodic movements during sleep; phenazine methos... |
| PSS | painful shoulder syndrome; physiologic saline solution; porcine stress syndrome; primary Sjogren syn... |
| PTSD | posttraumatic stress disorder |