Assari, Shervin, and Mohsen Bazargan. 2019. “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 (2), e000179. https://doi.org/10.32892/jmri.179.