title: Difference in bioactivity between two preparations of cyclophosphamide.
mesh_terms: D000818:Animals; D001984:Bronchial Neoplasms / Q000188:drug therapy; D003520:Cyclophosphamide / Q000138:chemical synthesis / Q000506:poisoning / Q000627:therapeutic use*; D006801:Humans; D013058:Mass Spectrometry; D008623:Mercaptoethanol / Q000031:analogs & derivatives*; D015080:Mesna / Q000627:therapeutic use*; D051381:Rats
chemical_list: D008623:Mercaptoethanol; D003520:Cyclophosphamide; D015080:Mesna