| APHIS | Animal and Plant Health Inspection Service |
|---|---|
| ASHCSP | American Society for Hospital Central Service Personnel [of AHA] |
| ASHFSA | American Society for Hospital Food Service Administrators |
| BSA | benzenesulfonic acid; Biofeedback Society of America; bismuth-sulfite agar; bis-trimethylsilyl-aceta... |
| BTS | blood transfusion service; blue toe syndrome; bradycardia-tachycardia syndrome |