This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.
AMERICAN PEDIATRIC SOCIETY. Am J Dis Child. 1929;38(2):432–444. doi:10.1001/archpedi.1929.01930080208019
Pediatrics in JAMA: Read the Latest
Customize your JAMA Network experience by selecting one or more topics from the list below.