Wolf MS, Serper M, Opsasnick L, O'Conor RM, et al. Awareness, Attitudes, and Actions Related to COVID-19 Among Adults With Chronic Conditions at the Onset of the U.S. Outbreak: A Cross-sectional Survey. Ann Intern Med 2020 Apr 9. pii: 2764612. doi: 10.7326/M20-1239.
PMID: 32271861