| NSVD | normal spontaneous vaginal delivery |
|---|---|
| SAVD | spontaneous assisted vaginal delivery |
| SD | Sandhoff disease; senile dementia; septal defect; serologically defined; serologically detectable; s... |
| PTD | percutaneous transluminal dilatation; permanent total disability; personality trait disorder; preter... |
| SMA | sequential multiple analysis or analyzer; sequential multichannel autoanalyzer; simultaneous multich... |