[Recent development of virology: human oncogenic retrovirus].
D000818:Animals; D002471:Cell Transformation, Neoplastic; D002472:Cell Transformation, Viral; D017977:Deltaretrovirus / Q000235:genetics / Q000302:isolation & purification*; D006800:Deltaretrovirus Infections / Q000382:microbiology* / Q000635:transmission; D006801:Humans; D013601:T-Lymphocytes