Friedman J, Mann NC, Hansen H, Bourgois P, Braslow J, Bui AAT, Beletsky L, Schriger DL. Racial/Ethnic, Social, and Geographic Trends in Overdose-Associated Cardiac Arrests Observed by US Emergency Medical Services During the COVID-19 Pandemic. JAMA Psychiatry. 2021 May 26. doi: 10.1001/jamapsychiatry.2021.0967. Epub ahead of print. PMID: 34037672.