| Abbreviation | Definition |
|---|---|
| PR | production rate |
| PR | proliferation rate |
| PR | proline rich |
| PR | prolonged release |
| PR | propranolol |
| PR | prospective reimbursement |
| PR | protein restriction |
| PR | protein retention |
| PR | pulmonary regurgitation |
| PR | pulmonary resistance |
| PRAC | Paediatric Rapid Access Clinic |
| PRB | pay review body |
| PRB | percutaneous renal biopsy |
| PRB | pharmaceutical resources branch |
| PRB | phosphorylation of retinoblastoma |
| PRCC | Principles and rules for co-operation and competition |
| PRD | Performance Review and Development |
| PRD | positive regulatory domain |
| PRD | proline-rich domain |
| PRDI | positive regulatory domain I element |