[Investigation on the etiology of spondylolysis: a study of its morphology and mechanism (author's transl)].
D000293:Adolescent; D000328:Adult; D001696:Biomechanical Phenomena; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013168:Spondylolisthesis / Q000209:etiology*