title: Letter: Breast cancer regression under oestrogen therapy.
mesh_terms: D000818:Animals; D001943:Breast Neoplasms / Q000188:drug therapy*; D002999:Clone Cells; D004967:Estrogens / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D011388:Prolactin / Q000378:metabolism
chemical_list: D004967:Estrogens; D011388:Prolactin