title: Statistical power in breast cancer screening trials and mortality reduction among women 40-49 years of age with particular emphasis on the National Breast Screening Study of Canada.
authors.affiliation: Department of Radiology, Massachusetts General Hospital, Boston 02114.
authors.forename: D B
authors.initials: DB
authors.lastname: Kopans
authors.forename: E
authors.initials: E
authors.lastname: Halpern
authors.forename: C A
authors.initials: CA
authors.lastname: Hulka
mesh_terms: D000328:Adult; D015982:Bias; D001943:Breast Neoplasms / Q000000981:diagnostic imaging / Q000401:mortality* / Q000517:prevention & control*; D002170:Canada / Q000453:epidemiology; D005260:Female; D006801:Humans; D015994:Incidence; D008327:Mammography / Q000706:statistics & numerical data; D008403:Mass Screening / Q000706:statistics & numerical data; D008875:Middle Aged; D010352:Patient Dropouts; D015995:Prevalence; D016032:Randomized Controlled Trials as Topic; D015203:Reproducibility of Results; D012107:Research Design; D012494:Sampling Studies; D012680:Sensitivity and Specificity; D013223:Statistics as Topic