1Sillence,DO,Rimoin,DL,Danks,DM.Clinical variability in osteogenesis imperfecta—variable expressivity or genetic heterogeneity[].Birth Defects: Original Article Series.1979
2D Basel,RD Steiner.Osteogenesis imperfecta: recent findings shed new light on this once well-understood condition[].Genetics in Medicine.2009