| CRL | cell repository line; Certified Record Librarian; complement receptor location; complement receptor ... |
|---|---|
| LTR | location transactivating region; long terminal repeat |
| A2 P2 | aortic second sound; pulmonary second sound |
| BS | Bachelor of Science; Bachelor of Surgery; Bacillus subtilis; Bartter syndrome; base strap; bedside; ... |
| bs | bedside; bowel sound; breath sound |