title: [Etiopathogenesis of spondylolisthesis].
mesh_terms: D001696:Biomechanical Phenomena; D002648:Child; D006801:Humans; D008961:Models, Structural; D013168:Spondylolisthesis / Q000209:etiology*
vernacular_title: Uwagi na temat etiopatogenezy kregozmyków