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In the paper by Edwards A. Park, M.D., and Roy D. McClure, M.D., Baltimore, on the "Results of Thymus Extirpation in the Dog, with a Review of the Experimental Literature on Thymus Extirpation," published in the issue of November, 1919, after the word "growth" at the end of the tenth line from the bottom of page 475, insert the following:
"or development, and may be the direct cause of prolonged retardation of growth or development through the entrance of infection," etc.
ERRATUM. Am J Dis Child. 1920;19(1):85. doi:10.1001/archpedi.1920.01910190093007