Beijing Astronomical Observatory
basal acid output
Boeing Aerospace Operations
Boulder Atmospheric Observatory
brachial artery output
Bruce Artwick Organization
Bachelor of Arts in Obstetrics
Bachelor of Obstetrics
Barium Aluminum Oxide
Barium Oxide
basal acid outputs
basal gastric acid output
basic acid output
Basic Attack Option
basilar artery occlusion
Battlefield Air Operations
Be Aware Of
Bendix Albuquerque Operations
benzylamine oxidase
Brigade Aviation Officer
British Association of Otolaryngologis…
Broadband Access Operation
Brookhaven Area Office
Bureau of Air Operations
Business Activities Office