This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.
Directory of Pediatric Societies. Am J Dis Child. 1933;45(3):686–690. doi:10.1001/archpedi.1933.01950160228031
Pediatrics in JAMA: Read the Latest
Customize your JAMA Network experience by selecting one or more topics from the list below.