Nicholls, A C The clinical features of homozygous alpha 2(I) collagen deficient osteogenesis imperfecta. [electronic resource] - Journal of medical genetics Aug 1984 - 257-62 p. digital Publication Type: Case Reports; Journal Article ISSN: 0022-2593 Standard No.: 10.1136/jmg.21.4.257 doi Subjects--Topical Terms: Child, PreschoolCollagen--biosynthesisHomozygoteHumansMaleOsteogenesis Imperfecta--diagnostic imagingProcollagen--biosynthesisRadiography