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In the article on "Electrocardiograms of Normal Children" by Drs. John L. Switzer and Manuel Besoain, in the March issue, page 449, Dr. Besoain was incorrectly referred to as a Postdoctorate Research Fellow of the National Heart Institute. In actuality he was a Fellow from the Division of International Health of the U. S. Public Health Service.
CORRECTION. AMA Am J Dis Child. 1951;81(1):139. doi:10.1001/archpedi.1951.02040030146016