Customize your JAMA Network experience by selecting one or more topics from the list below.
This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.
JOHN HOWLAND, M.D. Am J Dis Child. 1926;32(1):NP–118. doi:10.1001/archpedi.1926.04130070125012
Pediatrics in JAMA: Read the Latest