title: Leukemia after adjuvant chemotherapy with semustine (methyl-CCNU)--evidence of a dose-response effect.
mesh_terms: D004305:Dose-Response Relationship, Drug; D005770:Gastrointestinal Neoplasms / Q000188:drug therapy; D006801:Humans; D007938:Leukemia / Q000139:chemically induced*; D009607:Nitrosourea Compounds / Q000009:adverse effects*; D012673:Semustine / Q000008:administration & dosage / Q000009:adverse effects*
chemical_list: D009607:Nitrosourea Compounds; D012673:Semustine