Kolesarova A, Capcarova M, Sirotkin A, Massanyi P. Insulin-Like Growth Factor-I and Progesterone Release by Ovarian Granulosa Cells of Hens after Experimental Lead and Molybdenum Administrations in vitro . Int. J. Poult. Sci. 2009;8(9):890–895. doi:10.3923/ijps.2009.890.895