title: [ON THE OCCURRENCE OF SPONDYLOLYSIS WITH SPECIAL REFERENCE TO ITS OCCURRENCE AMONG FAMILY MEMBERS].
mesh_terms: D001699:Biometry; D002648:Child; D005190:Family; D005826:Genetics, Medical; D006801:Humans; D013122:Spinal Diseases; D013168:Spondylolisthesis; D013169:Spondylolysis; D013223:Statistics as Topic
keywords: CHILD; GENETICS, HUMAN; SPINAL DISEASES; SPONDYLOLISTHESIS; STATISTICS