Maternal imprinting at the H19-Igf2 locus maintains adult haematopoietic stem cell quiescence. - Venkatraman A; He XC; Thorvaldsen JL; Sugimura R; Perry JM; Tao F; Zhao M; Christenson MK; Sanchez R; Yu JY; Peng L; Haug JS; et al. (Nature, 2013)