| PEPc | corrected pre-ejection period |
|---|---|
| PEPI | pre-ejection period index |
| PMP | pain management program; patient management program; patient medication profile; peripheral myelin p... |
| PO | by mouth, orally [Lat. per os]; parieto-occipital; parietal operculum; period of onset; perioperativ... |
| PRP | physiologic rest position; pityriasis rubra pilaris; platelet-rich plasma; polyribosyl ribitol phosp... |