title: The WHI diet: difficult to digest.
authors.forename: Walter C
authors.initials: WC
authors.lastname: Willett
authors.forename: Meir J
authors.initials: MJ
authors.lastname: Stampfer
mesh_terms: D001943:Breast Neoplasms / Q000453:epidemiology / Q000517:prevention & control*; D018752:Diet, Fat-Restricted; D005260:Female; D006801:Humans; D012306:Risk