title: Biochemical heterogeneity of osteogenesis imperfecta: New variant.
mesh_terms: D003094:Collagen / Q000172:deficiency* / Q000235:genetics; D006801:Humans; D007223:Infant; D008297:Male; D010013:Osteogenesis Imperfecta / Q000209:etiology* / Q000235:genetics
chemical_list: D003094:Collagen