Patterns of cell proliferation and apoptosis by topographic region in normal Bos taurus vs. Bos indicus crossbreeds bovine placentae during pregnancy - Facciotti, Patrícia Reginato; Rici, Rose Eli Grassi; Maria, Durvanei Augusto; Bertolini, Marcelo; Ambrósio, Carlos Eduardo; Miglino, Maria Angélica (Reproductive Biology and Endocrinology, 2009)