| RBS | random blood sugar; Roberts syndrome; Rutherford backscattering |
|---|---|
| RDB | random double-blind [trial] |
| RM | radical mastectomy; random migration; radon monitor; range of movement; red marrow; reference materi... |
| RRT | random response technique; Registered Respiratory Therapist; relative retention time |
| RS | radioscaphoid; random sample; rating schedule; Raynaud syndrome; recipient's serum; rectal sinus; re... |