Rebbeck Timothy R, Troxel Andrea B, Shatalova Ekaterina G, Blanchard Rebecca, Norman Sandra, Bunin Greta, Demichele Angela, Schinnar Rita, Berlin Jesse A, Strom Brian L
Department of Biostatistics and Epidemiology, Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania School of Medicine, Philadelphia, PA 19104-6021, USA.
Cancer Epidemiol Biomarkers Prev. 2007 Jun;16(6):1318-20. doi: 10.1158/1055-9965.EPI-07-0084.