This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.
SMILE A WHILELaugh to Delay Dour Cpítaph. JAMA. 1966;196(8):217. doi:10.1001/jama.1966.03100210175097
Customize your JAMA Network experience by selecting one or more topics from the list below.