Skewed X-inactivation is common in the general female population by Shvetsova, E, Sofronova, A, Monajemi, R, Gagalova, K, Draisma, H, White, S, Santen, G, Chuva De Sousa Lopes, S, Heijmans, B, Van Meurs, J, Jansen, R, Franke, L, Kiełbasa, S, Den Dunnen, J, 'T Hoen, P, Palamara, P