title: PCNU in advanced breast cancer.
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use*; D001943:Breast Neoplasms / Q000188:drug therapy*; D005260:Female; D006801:Humans; D009607:Nitrosourea Compounds / Q000627:therapeutic use* / Q000633:toxicity
chemical_list: D000970:Antineoplastic Agents; D009607:Nitrosourea Compounds; C018627:1-(2-chloroethyl)-3-(2,6-dioxo-3-piperidinyl)-1-nitrosourea