title: 1971-1991: clinical trials evolve to become rigorous scientific testing ground.
authors.forename: H
authors.initials: H
authors.lastname: McIntosh
mesh_terms: D001943:Breast Neoplasms / Q000188:drug therapy / Q000517:prevention & control; D002648:Child; D002986:Clinical Trials as Topic / Q000266:history* / Q000379:methods; D005260:Female; D049673:History, 20th Century; D006801:Humans; D008297:Male; D008403:Mass Screening; D013629:Tamoxifen / Q000627:therapeutic use
chemical_list: D013629:Tamoxifen