title: [Assimilation defects in lumbosacral spine].
mesh_terms: D001846:Bone Development; D001848:Bone Diseases, Developmental / Q000000981:diagnostic imaging*; D006801:Humans; D008161:Lumbosacral Region / Q000000981:diagnostic imaging* / Q000503:physiopathology; D011859:Radiography
vernacular_title: Wady asymilacji kregosłupa ledźwiowo-krzyzowego.