Random X inactivation and extensive mosaicism in human placenta revealed by analysis of allele-specific gene expression along the X chromosome - Mello, Joana Carvalho Moreira de; Araújo, Érica Sara Souza de; Stabellini, Raquel; Fraga, Ana Maria; Souza, Jorge Estefano Santana de; Sumita, Denilce Ritsuko; Camargo, Anamaria A.; Pereira, Lygia da Veiga (PLoS ONE, 2010)