This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.
CALVIN JK, MUNNS GF. CHICAGO PEDIATRIC SOCIETY AND CHICAGO MEDICAL SOCIETY. Am J Dis Child. 1939;57(4):981–988. doi:10.1001/archpedi.1939.01990040245017
Artificial Intelligence Resource Center
Customize your JAMA Network experience by selecting one or more topics from the list below.