Human papillomavirus in squamous carcinoma of anus.
D000328:Adult; D001005:Anus Neoplasms / Q000150:complications*; D002294:Carcinoma, Squamous Cell / Q000150:complications*; D003218:Condylomata Acuminata / Q000150:complications; D006801:Humans; D008297:Male; D027383:Papillomaviridae; D014412:Tumor Virus Infections / Q000150:complications*