| vv | varicose veins; veins |
|---|---|
| LPV | left portal view; left pulmonary veins |
| VV | vaccinia virus; varicose veins; veno-venous; viper venom; vulva and vagina |
| HPL | human parotid lysozyme; human peripheral lymphocyte; human placental lactogen |
| PFR | parotid flow rate; peak flow rate |