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Am J Epidemiol 2002; 156:882-883.
Copyright © 2002 by Johns Hopkins Bloomberg School of Public Health

LETTERS TO THE EDITOR

"RE: DOES THE SIBLING EFFECT HAVE ITS ORIGIN IN UTERO? INVESTIGATING BIRTH ORDER, CORD BLOOD IMMUNOGLOBULIN E CONCENTRATION, AND ALLERGIC SENSITIZATION AT AGE 4 YEARS"

Paulus A. H. van Noord

Department of Oncologic Epidemiology Julius Center, University Medical Center Utrecht 3508 GA Utrecht, The Netherlands

The first 10% of the full text of this article appears below.

My colleague and I read the report by Karmaus et al. (1) in the November 15, 2001, issue of the Journal with great interest. Apart from the effects of siblings and family size mentioned in the introduction, the authors stated in the Materials and Methods section that they . . . [Full Text of this Article]


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