| LOS | length of stay; Licentiate in Obstetrical Science; lipo-oligosaccharide; low cardiac output syndrome... |
|---|---|
| LOS(P) | lower [o]esophageal sphincter (pressure) |
| SD | Sandhoff disease; senile dementia; septal defect; serologically defined; serologically detectable; s... |
| ST | esotropia; scala tympani; scaphotrapezoid; sclerotherapy; sedimentation time; semitendinosus; sensor... |
| UES | upper esophageal sphincter |