496624 VR vitreoretinal 87 496619 VR Virchow-Robin 12 496616 V-r vancomycin-arginine 2 496621 V-R vancomycin-arginine conjugate 2 496623 V-R vitexia-rhamnoside 2 496614 V-R vaccinated recurrences 1 496615 V-R vagotomy and antrectomy 1 496617 V-R Variance-Reduction 1 496622 V-R vehicle regular diet 1 496618 V-R Veneto Region 1 496620 V-R Voice-recognition 1