A. C. . Voogd, M. W. P. M. . van Beek, M. A. . Crommelin, H. M. . Kluck, and J. W. W. . Coebergh, “Management of Early Breast Cancer in Southeast Netherlands Since 1984 A Population-Based Study”, AO, vol. 33, no. 7, pp. 753–757, Jan. 1994.