title: Clinical features of homozygous alpha 2(I) collagen deficient osteogenesis imperfecta.
mesh_terms: D003094:Collagen / Q000172:deficiency*; D003811:Dentinogenesis Imperfecta / Q000150:complications*; D006801:Humans; D010013:Osteogenesis Imperfecta / Q000150:complications*
chemical_list: D003094:Collagen