| CNM | Certified Nurse-Midwife; computerized nuclear morphometry |
|---|---|
| RAD | radial artery catheter; radiation absorbed dose; radical; radiography or radiographic; reactive airw... |
| RBI | radiographic baseline |
| RCM | radial contour model; radiographic contrast medium; red cell mass; reinforced clostridial medium; re... |
| SCIWORA | spinal cord injury without radiographic abnormality |