| PRIMEX | primary care extender |
|---|---|
| PRK | photorefractive keratectomy; primary rabbit kidney |
| PRM | phosphoribomutase; photoreceptor membrane; premature rupture of membranes; Primary Reference Materia... |
| PRP | physiologic rest position; pityriasis rubra pilaris; platelet-rich plasma; polyribosyl ribitol phosp... |
| PSAP | primary public safety answering point; prosaposin; pulmonary surfactant apoprotein |