| AHT | aggregation half time; antihyaluronidase titer; augmented histamine test; autogenous hamster tumor |
|---|---|
| ARM | adrenergic receptor material; aerosol rebreathing method; ambulatory renal monitor; anorectal manome... |
| BHK | baby hamster kidney [cells]; type-B Hong Kong [influenza virus] |
| CH | case history; Chediak-Higashi [syndrome]; chiasma; Chinese hamster; chloral hydrate; cholesterol; Ch... |
| CHA | Canadian Hospital Association; Catholic Health Association; Chinese hamster; chronic hemolytic anemi... |