Bank Secrecy Act 
body surface area 
Boy Scouts of America 
Business Software Alliance 
Birmingham Small Arms 
Bovine Serum Albumin 
brigade support area 
beach support area 
Basic Serving Arrangement 
Basic Serving Arrangements 
Building Societies Association 
Basic Standardization Agreement 
Basic Switching Arrangement 
Battery Stowage Assembly 
Black Student Alliance 
bovine serum albumen 
British Society of Audiology 
British Sociological Association 
Brookhaven Science Associates 
bulked segregant analysis 
Burst Spectrum Analyzer 
Business Software Association 
Bachelor of Science in Agriculture 
Backbone Service Area 
balance sheet account 
Bamboo Society of Australia 
Bandeiraea Simplicifolia Agglutinin 
Bangladesh Society of Anaesthesiologis… 
Bank of South Australia 
Bank Stationers Association