This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.
Abstracts from Current Literature. AMA Am J Dis Child. 1950;80(5):809–852. doi:10.1001/archpedi.1950.04040020823011
Coronavirus Resource Center
Customize your JAMA Network experience by selecting one or more topics from the list below.