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Research Article Free access | 10.1172/JCI101147
Department of Pediatrics of the Harvard Medical School and the Infants' Hospital and the Children's Hospital, Boston
Find articles by Butler, A. in: JCI | PubMed | Google Scholar
Department of Pediatrics of the Harvard Medical School and the Infants' Hospital and the Children's Hospital, Boston
Find articles by Cushman, M. in: JCI | PubMed | Google Scholar
Published May 1, 1940 - More info