| ORN | operating room nurse; orthopedic nurse |
|---|---|
| PN | papillary necrosis; parenteral nutrition; penicillin; perceived noise; percussion note; periarteriti... |
| VN | vesical neck; vestibular nucleus; virus neutralization; visceral nucleus; visiting nurse; vitronecti... |
| CIC | Circulating Immune Complexes |
| CAA | carotid audiofrequency analysis; cerebral amyloid angiopathy; circulating anodic antigen; Clean Air ... |