| RV | random variable; rat virus; Rauscher virus; rectovaginal; reinforcement value; renal vein; residual ... |
|---|---|
| SV | saphenous vein; sarcoma virus; satellite virus; selective vagotomy; semilunar valve; seminal vesicle... |
| CR | calculation rate; calculus removed; calorie-restricted; cardiac rehabilitation; cardiac resuscitatio... |
| CRL | cell repository line; Certified Record Librarian; complement receptor location; complement receptor ... |
| DR | degeneration reaction; delivery room; deoxyribose; diabetic retinopathy; diagnostic radiology; digit... |