1. Health Equity in England: The Marmot Review 10 Years on;Marmot,2020
2. The Social Condition of The Working Class in England;Engels,1971
3. Closing the Gap in a Generation: Health Equity through Action on the Social Determinants of Health-Final Report of the Commission on Social Determinants of Healthhttps://www.who.int/publications/i/item/WHO-IER-CSDH-08.1
4. Should all patients be asked about their sexual orientation?