| API | alkaline protease inhibitor; Analytical Profile Index; arterial pressure index; atmospheric pressure... |
|---|---|
| BAPI | barley alkaline protease inhibitor |
| BBI | Biomedical Business International; Bowman-Birk soybean inhibitor |
| BMPI | bronchial mucous proteinase inhibitor |
| C1 INH | inhibitor of first component of complement |