| Sci | science, scientific |
|---|---|
| SIRA | Scientific Instrument Research Association |
| SMC | Scientific Manpower Commission; smooth muscle cell; somatomedin C; succinylmonocholine |
| STI | Scientific and Technical Information; serum trypsin inhibitor; soybean trypsin inhibitor; systolic t... |
| AAA | abdominal aortic aneurysm/aneurysmectomy; acne-associated arthritis; acquired aplastic anemia; acute... |