| rem | Roentgen Equivalent Man 1 rem = 1 rad x RBE |
|---|---|
| cGy | centigray (1 rad) |
| RAD | radial artery catheter; radiation absorbed dose; radical; radiography or radiographic; reactive airw... |
| Rad | radiology; radiotherapy; radium |
| rad | radiation absorbed dose; radial; radian; radical; radius; root [Lat. radix] |