| VEC-MR | velocity encoded cine-magnetic resonance |
|---|---|
| VR | right arm [electrode]; valve replacement; variable ratio; vascular resistance; venous reflux; venous... |
| af | audio frequency |
| CBF | capillary blood flow; cerebral blood flow; ciliary beat frequency; coronary blood flow; cortical blo... |
| CFA | colonization factor antigen; colony-forming assay; complement-fixing antibody; complete Freund's adj... |