共 13 条
[1]
Beyer W.H., C.R.C. Handbook of Tables for Probability and Statistics, pp. 58-64, (1966)
[2]
Kaplan E.L., Meier P., Nonparametric estimation from incomplete observations, J am Stat Assoc, 53, pp. 457-481, (1958)
[3]
Kelsey J.L., Ostfeld A.M., Demographic characteristics of persons with acute herniated lumbar intervertebral disc, J Chron Dis, 28, pp. 37-50, (1975)
[4]
Kramer J., Intervertebral Disk Diseases: Causes, Diagnosis, Treatment and Prophylaxis, (1981)
[5]
Kurland L.T., Molgaard C.A., The patient record in epidemiology, Sci Am, 245, pp. 54-63, (1981)
[6]
Maistrelli G.L., Vaughan P.A., Evans D.C., Barrington T.W., Lumbar disc herniation in the elderly, Spine, 12, pp. 63-66, (1987)
[7]
Melton L., Selection bias in the referral of patients and the natural history of surgical conditions (Editorial), Mayo Clin Proc, 60, pp. 880-885, (1985)
[8]
Miller J., Schmatz C., Schultz A.B., Lumbar disc degeneration: Correlation with age, sex, and spine level in 600 autopsy specimens, Spine, 13, pp. 173-178, (1988)
[9]
Mixter W.J., Barr J.S., Rupture of the intervertebral disc with involvement of the spinal canal, N Engl J Med, 211, pp. 210-215, (1934)
[10]
Schroeder D.J., Offord K.P., A SAS macro which utilizes local and reference population counts appropriate for incidence, prevalence, and mortality rate calculations in Rochester and Olmsted County, Minnesota, Technical Report Series No, (1982)