title: Norethisterone acetate (SH420) in advanced breast cancer.
mesh_terms: D000367:Age Factors; D001859:Bone Neoplasms / Q000188:drug therapy; D001943:Breast Neoplasms / Q000188:drug therapy*; D005260:Female; D005770:Gastrointestinal Neoplasms / Q000188:drug therapy; D006801:Humans; D009362:Neoplasm Metastasis; D009640:Norethindrone / Q000008:administration & dosage / Q000627:therapeutic use*; D012075:Remission, Spontaneous; D013997:Time Factors
chemical_list: D009640:Norethindrone