Jakes, Rupert W., Duffy, Stephen W., Ng, Fook-Cheong, Gao, Fei, Ng, Eng-Hen, Seow, Adeline, Lee, Hin-Peng and Yu, Mimi C., 2002. Mammographic Parenchymal Patterns and Self-reported Soy Intake in Singapore Chinese Women. Cancer Epidemiology Biomarkers & Prevention, 11, 608–613.