| RS | radioscaphoid; random sample; rating schedule; Raynaud syndrome; recipient's serum; rectal sinus; re... |
|---|---|
| SSE | saline solution enema; skin self-examination; soapsuds enema; steady state exercise; subacute spongi... |
| TWE | tap water enema; tepid water enema |
| DRE | digital rectal examination |
| DRS | descending rectal septum; diagnostic review station; Division of Research Services [NIH]; drowsiness... |