Estimating The Benefits of Mammography Screening: The Impact of Study Design Olsen, Anne Helene; Njor, Sisse H.; Lynge, Elsebeth Olsen, Anne Helene; Njor, Sisse H.; Lynge, Elsebeth Less Epidemiology . 18(4):487-492, July 2007. Abstract Abstract Abstract: Go to Full Text of this Article + Favorites PDF Request Permissions