Michaud Dominique S, Hartman Terryl J, Taylor Philip R, Pietinen Pirjo, Alfthan Georg, Virtamo Jarmo, Albanes Demetrius
Nutritional Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland 20852, USA.
Cancer Epidemiol Biomarkers Prev. 2002 Nov;11(11):1505-6.