| RAM | random-access memory; rapid alternating movements; rectus abdominis muscle; rectus abdominis myocuta... |
|---|---|
| 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 |