Basic Allowance for Subsistence British Antarctic Survey Battalion Aid Station Basic Activity Subset Brake Apply Sensor Broadcast Auxiliary Service Bachelor of Applied Science Basic Battlefield Automated Systems Boundary and Annexation Survey Balanced Adjudications System balloon atrial septostomy barium swallow Basic Accounting System basilar basophils Battlefield Automated System benzyl anti-serotonin beta-adrenergic stimulation Big Ass Smile Bit Allocation Signal boric acid solution Brake Assist System Broadband Access Server Budget Automation System Business Address Services Aero Services Bachelor in Agricultural Science Bachelor of Administrative Studies Bachelor of Applied Studies Bachelor of Architectural Studies Bachelor of Arts and Science balloon atrioseptostomy Bangladesh Academy of Sciences Baraga Area Schools Barbados Agricultural Society Barium Sulfide Barnes Akathisia Scale basal basalis
Basic Allowance for Subsistence
Battalion Aid Station