| SRU | sample ratio units; side rails up; solitary rectal ulcer; structural repeating unit |
|---|---|
| SRUS | solitary rectal ulcer syndrome |
| TR | recovery time; rectal temperature; repetition time; residual tuberculin; terminal repeat; tetrazoliu... |
| EUA | Examination Under Anesthesia |
| AC | abdominal circumference; abdominal compression; absorption coefficient; abuse case; acetate; acetylc... |