| BCI | behavioral cues index; brain-computer interface |
|---|---|
| BHI | biosynthetic human insulin; brain-heart infusion [broth]; British Humanities Index; Bureau of Health... |
| BII | beat inclusion index; Billroth II [operation]; butanol-insoluble iodine |
| BILAG | British Isles Lupus Assessment Group [Index] |
| BMI | body mass index |