Assari, Shervin, and Mohsen Bazargan. “Unequal Effects of Educational Attainment on Workplace Exposure to Second-Hand Smoke by Race and Ethnicity; Minorities’ Diminished Returns in the National Health Interview Survey (NHIS)”. Journal of Medical Research and Innovation 3, no. 2 (July 15, 2019): e000179. Accessed August 24, 2019. https://jmrionline.com/jmri/article/view/179.