| Abbreviation | Definition |
|---|---|
| PR | Per Rectal |
| PR | performance ratings |
| PR | perfusion rate |
| PR | peripheral resistance |
| PR | pharmaceutical representative |
| PR | phenol red |
| PR | phosphorylation rate |
| PR | photoreactive repair |
| PR | photoreceptor |
| PR | physical rehabilitation |
| PR | pityriasis rosea |
| PR | placental retention |
| PR | polymorphic reticulosis |
| PR | polymyalgia rheumatica |
| PR | poor responder |
| PR | post resuscitation |
| PR | pregnancy rate |
| PR | prevalence rate |
| PR | primary response |
| PR | primitive reflexes |