Chuang, Shu-Chun, Rota, Matteo, Gunter, Marc J., Zeleniuch-Jacquotte, Anne, Eussen, Simone J.P.M., Vollset, Stein Emil, Ueland, Per Magne, Norat, Teresa, Ziegler, Regina G., Vineis, Paolo (2013). "quantifying the dose-response relationship between circulating folate concentrations and colorectal cancer in cohort studies : a meta-analysis based on a flexible meta-regression model". American Journal of Epidemiology, Vol.178, No.7, Oct. 1, 2013: Pages 1028-1037
DOI: https://doi.org/10.1093/aje/kwt083