| SBI | soybean trypsin inhibitor |
|---|---|
| SBIS | Stanford-Binet Intelligence Scale |
| SBL | soybean lecithin |
| sBL | sporadic Burkitt lymphoma |
| SBLA | sarcoma, breast and brain tumors, leukemia, laryngeal and lung cancer, and adrenal cortical carcinoma |
| SBM | Solomon-Bloembergen-Morgan [equation] |
| SBMA | spinal bulbar muscular atrophy |
| SBN | State Board of Nursing |
| SBN2 | single-breath nitrogen test] |
| SBNS | Society of British Neurological Surgeons |