| Uterine Prolapse |
| Uterine Rupture |
| Uteroglobin |
| Uterus |
| Utilization Review |
| UTP-Glucose-1-Phosphate Uridylyltransferase |
| UTP-Hexose-1-Phosphate Uridylyltransferase |
| Utrophin |
| Uukuniemi virus |
| Uvaria |
| Uvea |
| Uveal Diseases |
| Uveal Neoplasms |
| Uveitis |
| Uveitis, Anterior |
| Uveitis, Intermediate |
| Uveitis, Posterior |
| Uveitis, Suppurative |
| Uveomeningoencephalitic Syndrome |
| Uveoparotid Fever |
| Vaccaria |
| Vaccination |
| Vaccines |
| Vaccines, Acellular |
| Vaccines, Attenuated |
| Vaccines, Combined |
| Vaccines, Conjugate |
| Vaccines, Contraceptive |
| Vaccines, DNA |
| Vaccines, Edible |
| Vaccines, Inactivated |
| Vaccines, Marker |
| Vaccines, Subunit |
| Vaccines, Synthetic |
| Vaccines, Virosome |
| Vaccinia |
| Vaccinia virus |
| Vaccinium |
| Vaccinium macrocarpon |
| Vaccinium myrtillus |
| Vaccinium vitis-idaea |
| Vacuolar Proton-Translocating ATPases |
| Vacuoles |
| Vacuum |
| Vacuum Curettage |
| Vacuum Extraction, Obstetrical |
| Vagina |
| Vaginal Birth after Cesarean |
| Vaginal Creams, Foams and Jellies |
| Vaginal Discharge |
| Vaginal Diseases |
| Vaginal Douching |
| Vaginal Fistula |
| Vaginal Neoplasms |
| Vaginal Smears |
| Vaginismus |
| Vaginitis |
| Vaginosis, Bacterial |
| Vagotomy |
| Vagotomy, Proximal Gastric |
| Vagotomy, Truncal |
| Vagus Nerve |
| Vagus Nerve Diseases |
| Valerian |
| Valerianaceae |
| Valerianella |
| Validation Studies [Publication Type] |
| Valine |
| Valine Dehydrogenase (NADP+) |
| Valine-tRNA Ligase |
| Valinomycin |
| Valproic Acid |
| Valsalva Maneuver |
| Value of Life |
| Vanadates |
| Vanadium |
| Vanadium Compounds |
| Vancomycin |
| Vancomycin Resistance |
| Vanilla |
| Vanillic Acid |
| Vanuatu |
| Variant Surface Glycoproteins, Trypanosoma |
| Variation (Genetics) |
| Varicellovirus |
| Varicocele |
| Varicose Ulcer |
| Varicose Veins |
| Variola virus |
| Vas Deferens |