| 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 |
| BMD | Bone Mineral Density |
| HD | 1) Hodgkin's Disease 2) Hemo-Dialysis 3) High Density &... |