Tag: Spina Bifida Occulta
The natural history of spondylolysis and spondylolisthesis.
This is a classic Spine Study looking at the natural history of spondylolysis and spondylolisthesis in a population of 500 first grade students in a small community bordering New York and Pennsylvania. The initial enrollment period was 1954 to 1957. The inclusion criteria was that the first grader had parental permission and attended one of […]