| ARM | adrenergic receptor material; aerosol rebreathing method; ambulatory renal monitor; anorectal manome... |
|---|---|
| BRM | biological response modifier; biuret reactive material |
| CRM | Certified Reference Materials; counting rate meter; cross-reacting material; crown-rump measurement |
| ECM | electronic claims management; embryonic chick muscle; erythema chronicum migrans; experimental cereb... |
| EDAM | electron-dense amorphous material |