| PSD | particle size distribution; peptone, starch, and dextrose; periodic synchronous discharge; phase-sen... |
|---|---|
| RBBx | right breast biopsy |
| SBE | breast self-examination; short below-elbow [cast]; shortness of breath on exertion; small bowel enem... |
| SBLA | sarcoma, breast and brain tumors, leukemia, laryngeal and lung cancer, and adrenal cortical carcinom... |
| SD | Sandhoff disease; senile dementia; septal defect; serologically defined; serologically detectable; s... |