| IGHV | immunoglobulin heavy chain variable region |
|---|---|
| KPV | key process variable; killed parenteral vaccine |
| PV | pancreatic vein; papillomavirus; paraventricular; paravertebral; pemphigus vulgaris; peripheral vasc... |
| RV | random variable; rat virus; Rauscher virus; rectovaginal; reinforcement value; renal vein; residual ... |
| UCV | uncontrolled variable |