| WC' | whole complement |
|---|---|
| CRL | cell repository line; Certified Record Librarian; complement receptor location; complement receptor ... |
| AHT | aggregation half time; antihyaluronidase titer; augmented histamine test; autogenous hamster tumor |
| BH | base hospital; benzalkonium and heparin; bill of health; birth history; Bishop-Harman [instruments];... |
| COLD | A cold agglutinin titer |