title: Reply to M. F. Greaves "Speculations on the cause of childhood acute lymphoblastic leukemia".
authors.affiliation: Children's Hospital, Boston, Massachusetts 02115.
authors.forename: D G
authors.initials: DG
authors.lastname: Nathan
mesh_terms: D002455:Cell Division; D002648:Child; D006801:Humans; D007945:Leukemia, Lymphoid / Q000209:etiology*