Duell, EJ, Travier, N, Lujan-Barroso, L, Boutron-Ruault, MC, Clavel-Chapelon, F, Palli, D, Krogh, V, Mattiello, A, Tumino, R, Sacerdote, C, Rodriguez, L, Sanchez-Cantalejo, E, Navarro, C, Barricarte, A, Dorronsoro, M, Khaw, KT, Wareham, N, Allen, NE, Tsilidis, KK, Bueno de Mesquita, HB, Numans, ME, Peeters, PHM, Jeurnink, SM, Lagiou, P, Valanou, E & Gonzalez, CA 2010, '
Menstrual and reproductive factors, exogenous hormone use, and gastric cancer risk in a cohort of women from the European prospective investigation into cancer and nutrition',
American Journal of Epidemiology, vol. 172, no. 12, pp. 1384-1393. <
http://www.ncbi.nlm.nih.gov/pubmed/21051447>