Cohort Studies: Design and Pitfalls
No abstract is available. To read the body of this article, please view the Full Text online.
PII: S0002-9394(10)00222-9
doi:10.1016/j.ajo.2010.03.008
© 2010 Elsevier Inc. All rights reserved.
No abstract is available. To read the body of this article, please view the Full Text online.
PII: S0002-9394(10)00222-9
doi:10.1016/j.ajo.2010.03.008
© 2010 Elsevier Inc. All rights reserved.