| SBD | senile brain disease |
|---|---|
| SD | Sandhoff disease; senile dementia; septal defect; serologically defined; serologically detectable; s... |
| SDAT | senile dementia of Alzheimer type |
| SK | seborrheic keratosis; senile keratosis; Sloan-Kettering [Institute for Cancer Research]; spontaneous... |
| SMCD | senile macular choroidal degeneration; systemic mast cell disease; systemic meningococcal disease |