Cochran Susan D, Meyer Ilan H, Mays Vickie M
Departments of Epidemiology and Statistics, University of California, Los Angeles Fielding School of Public Health, Los Angeles.
Williams Institute, University of California School of Law, Los Angeles.
JAMA Intern Med. 2017 Feb 1;177(2):288. doi: 10.1001/jamainternmed.2016.8629.