Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Endogenous Hormones Breast Cancer Collaborative Group,"Body Mass Index, Serum Sex Hormones, and Breast Cancer Risk in Postmenopausal Women",JNCI Journal of the National Cancer Institute,0027-8874,Oxford University Press (OUP),2003-08-19,95,16,1218-1226,https://cir.nii.ac.jp/crid/1361699996329137792,https://doi.org/10.1093/jnci/djg022