| BOSC | Board of Scientific Counselors |
|---|---|
| BRN | Board of Registered Nursing |
| CBADAA | Certifying Board of the American Dental Assistants Association |
| CMB | carbolic methylene blue; Central Midwives' Board; chloromercuribenzoate |
| DNB | dinitrobenzene; Diplomate of the National Board [of Medical Examiners]; dorsal nonadrenergic bundle |