| BHT | beta-hydroxytheophylline; breath hydrogen test; butylated hydroxytoluene |
|---|---|
| BS | Bachelor of Science; Bachelor of Surgery; Bacillus subtilis; Bartter syndrome; base strap; bedside; ... |
| FSBT | Fowler single breath test |
| SBN2 | single-breath nitrogen test] |
| SBNT | single-breath nitrogen test |