| rect | rectal; rectification, rectified; rectum; rectus [muscle] |
|---|---|
| SB | Bachelor of Science; Schwartz-Bartter [syndrome]; serum bilirubin; shortness of breath; sick bay; si... |
| SVD | single vessel disease; singular value decomposition; small vessel disease; spontaneous vaginal deliv... |
| SBP | Spontaneous Bacterial Peritonitis |
| NSD | Nairobi sheep disease; neonatal staphylococcal disease; neurosecretory dysfunction; night sleep depr... |