title: [Search for unknown viruses of human neoplasms].
mesh_terms: D000818:Animals; D000882:Haplorhini; D004854:Herpesvirus 4, Human / Q000302:isolation & purification*; D006801:Humans; D009369:Neoplasms / Q000382:microbiology*; D012190:Retroviridae / Q000302:isolation & purification*