| BET | benign epithelial tumor; bleeding esophageal varix; Brunauer-Emmet-Teller [method] |
|---|---|
| BL | Barre-Lieou [syndrome]; basal lamina; baseline; Bessey-Lowry [unit]; black light; bladder; bleeding;... |
| bl | black; blood, bleeding; blue |
| BTB | breakthrough bleeding; bromthymol blue |
| BUO | bleeding of undetermined origin, bruising of undetermined origin |