Geiger Ann M, Strom Sara S, Demark-Wahnefried Wendy, Buist Diana S M
Division of Public Health Sciences, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA.
Cancer Epidemiol Biomarkers Prev. 2008 Oct;17(10):2899-900. doi: 10.1158/1055-9965.EPI-08-0914.