PEDIATRICS Vol. 108 No. 4 October 2001, pp. 1047
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To the Editor.
Garrison and Christakis1 justify their systematic
review by pointing at some presumed methodologic shortcomings of our
systematic review, published in 1998.2 In fact, the conclusion of their review differs only slightly from ours, and we
wonder if these differences can only be attributed to flaws in ours. We
therefore would like to comment on the reasons why our review
(according to the