title: Letter: Role of reverse transcriptase.
mesh_terms: D006801:Humans; D007938:Leukemia / Q000201:enzymology*; D007962:Leukocytes / Q000201:enzymology; D012313:RNA / Q000378:metabolism; D012194:RNA-Directed DNA Polymerase / Q000378:metabolism*
chemical_list: D012313:RNA; D012194:RNA-Directed DNA Polymerase