1. Mammography in mass screening;van Bekkum;Europ J. Cancer,1979
2. Evidence on screening for breast cancer from a randomized trial;Shapiro;Cancer (Philad.),1977
3. Report of the working group to review the National Cancer Institute—American Cancer Society Breast Cancer Detection Demonstration Projects;Beahrs;J. nat. Cancer Inst.,1979
4. Screening in Cancer;Miller,1978
5. Present status of breast cancer screening;Miller;Canad. med. Ass. J.,1977