title: Clinical trials in early breast cancer. 2nd Heidelberg Symposium, Heidelberg, December 14-17, 1981.
mesh_terms: D001943:Breast Neoplasms / Q000188:drug therapy / Q000401:mortality / Q000628:therapy*; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D013997:Time Factors