title: Clinical features of homozygous alpha 2(I) collagen deficient osteogenesis imperfecta.
mesh_terms: D003094:Collagen / Q000172:deficiency / Q000235:genetics; D003810:Dentinogenesis; D006801:Humans; D010013:Osteogenesis Imperfecta / Q000235:genetics / Q000473:pathology*
chemical_list: D003094:Collagen