| ASHCSP | American Society for Hospital Central Service Personnel [of AHA] |
|---|---|
| ASHFSA | American Society for Hospital Food Service Administrators |
| BIOSIS | BioScience Information Service |
| BIS | bone cement implantation syndrome; Brain Information Service; building illness syndrome |
| BSA | benzenesulfonic acid; Biofeedback Society of America; bismuth-sulfite agar; bis-trimethylsilyl-aceta... |
| PSA | public service announcement |
|---|---|
| USPHS | United States Public Health Service |
| MSO | management service organization |