| PKR | phased knee rehabilitation; Prausnitz-Kustner reaction |
|---|---|
| PPR | physician-patient relation; physician payment reform; posterior primary ramus; Price precipitation r... |
| PRD | partial reaction of degeneration; physician relations department; postradiation dysplasia |
| PRP | physiologic rest position; pityriasis rubra pilaris; platelet-rich plasma; polyribosyl ribitol phosp... |
| QP | quanti-Pirquet [reaction] |