| RADS | reactive airways dysfunction syndrome; retrospective assessment of drug safety |
|---|---|
| REPS | reactive extensor postural synergy |
| RH | radiant heat; radiation hybrid; radiological health; reactive hyperemia; recurrent herpes; regulator... |
| RHBF | reactive hyperemia blood flow |
| RND | radical neck dissection; radionuclide dacryography; reactive neurotic depression |