This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.
PHILADELPHIA ACADEMY OF NATURAL SCIENCES: Centenary Meeting, held March 19-21, 1912. JAMA. 1912;LVIII(15):1144–1145. doi:10.1001/jama.1912.04260040160043
Coronavirus Resource Center
Customize your JAMA Network experience by selecting one or more topics from the list below.
Create a personal account or sign in to: