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In the article by Drs. Earl W. Flosdorf and Aims C. McGuinness entitled "Studies with Haemophilus Pertussis: VIII. The Antigenic Structure of Haemophilus Pertussis and Its Clinical Significance," in the July issue (Am. J. Dis. Child.64:43, 1942), footnote 9 should include a reference to the report by Drs. Bradford and Slavin, the second article cited in footnote 6.
CORRECTIONS. Am J Dis Child. 1942;64(4):723. doi:10.1001/archpedi.1942.02010100149016