From the NIH: Human wart virus found in many papillomas.
D006801:Humans; D009055:Mouth / Q000382:microbiology; D009316:National Institutes of Health (U.S.); D010212:Papilloma / Q000382:microbiology*; D027383:Papillomaviridae / Q000302:isolation & purification*; D010614:Pharynx / Q000382:microbiology; D012106:Research; D014481:United States