| pmf | proton motive force |
|---|---|
| PMR | patient meta-record; perinatal mortality rate; periodic medical review; physical medicine and rehabi... |
| PRE | photoreacting enzyme; physician's report of examination; pigmented retinal epithelium; preplacement ... |
| PRR | proton relaxation rate; pulse repetition rate |
| VPP | vacuolar proton pump; viral porcine pneumonia |