title: Heterogeneity of osteogenesis imperfecta congenita.
mesh_terms: D003094:Collagen / Q000172:deficiency / Q000235:genetics; D003241:Consanguinity; D006579:Heterozygote; D006801:Humans; D010013:Osteogenesis Imperfecta / Q000151:congenital / Q000209:etiology / Q000235:genetics*
chemical_list: D003094:Collagen