Development of a leukaemia resistant to cyclophosphamide ('Cytoxan').
D000818:Animals; D000970:Antineoplastic Agents / Q000494:pharmacology*; D003520:Cyclophosphamide; D007938:Leukemia; D007942:Leukemia, Experimental
D000970:Antineoplastic Agents; D003520:Cyclophosphamide
ANTINEOPLASTIC AGENTS/pharmacology; LEUKEMIA/experimental