_:vb50948336 . _:vb50948336 "An osteochondrodysplasia that has_material_basis_in a deficiency in type-I collagen which results_in brittle bones and defective connective tissue."^^ . _:vb50948336 "url:http://orthoinfo.aaos.org/topic.cfm?topic=a00051"^^ . _:vb50948336 "url:http://www.niams.nih.gov/Health_Info/bone/osteogenesis_Imperfecta/"^^ . _:vb50948336 "url:http://www.nlm.nih.gov/medlineplus/ency/article/001573.htm"^^ . _:vb50948336 "url:http://en.wikipedia.org/wiki/Osteogenesis_imperfecta"^^ . _:vb50948336 . _:vb50948336 "url:http://osteogenesisimperfecta.org/"^^ . _:vb50948336 . _:vb50948336 "url:http://ghr.nlm.nih.gov/condition/osteogenesis-imperfecta"^^ . _:vb50948336 . _:vb50948336 . _:vb50948336 . _:vb50948336 .