| ARC | accelerating rate calorimetry; acquired immunodeficiency syndrome-related complex; active renin conc... |
|---|---|
| ARF | acute renal failure; acute respiratory failure; acute rheumatic fever; Addiction Research Foundation... |
| ARM | adrenergic receptor material; aerosol rebreathing method; ambulatory renal monitor; anorectal manome... |
| ARN | acute renal necrosis; acute retinal necrosis; arcuate nucleus; Association of Rehabilitation Nurses |
| BOR | basal optic root; before time of operation; bowels open regularly; branchio-oto-renal [syndrome] |