Lagiou, P. Samoli, E. Lagiou, A. Georgila, C. Zourna, P. Barbouni, A. Gkiokas, G. Vassilarou, D. Tsikkinis, A. Sfikas, C. Sekeris, C.E. Hsieh, C.-C. Adami, H.-O. Trichopoulos, D., Diet and expression of estrogen alpha and progesterone receptors in the normal mammary gland, Cancer Causes and Control, (20), 601-607, 2009, 0957-5243, 1573-7225