| s-1 | cycles per second |
|---|---|
| sec | second; secondary; section |
| SMN | second malignant neoplasm; stathmin |
| SO | salpingo-oophorectomy; Schlatter-Osgood [test]; second opinion; sex offender; spheno-occipital [sync... |
| SSOP | Second Surgical Opinion Program; sequence-specific oligonucleotide probe |