1. American Dental Association Summary of ADA Guidance During the COVID-19 Crisis 2020 https://success.ada.org/~/media/CPS/Files/COVID/COVID-19_Int_Guidance_Summary.pdf?utm_source=cpsorg&utm_medium=cpsalertbar&utm_content=cv-pm-summary-guidance&utm_campaign=covid-19
2. American Dental Association COVID-19 State Mandates and Recommendations 2020 https://success.ada.org/en/practice-management/patients/covid-19-state-mandates-and-recommendations?utm_source=adaorg&utm_medium=covid-resources-lp&utm_content=stateaction&utm_campaign=covid-19&_ga=2.164286717.333362180.1586291400-2065192682.1579010925
3. Transmission routes of 2019-nCoV and controls in dental practice;Peng;Int J Oral Sci,2020
4. Forbes What you need to know about expanded unemployment benefits for COVID-19 2020 https://www.forbes.com/sites/advisor/2020/03/25/what-you-need-to-know-about-expanded-unemployment-benefits-for-covid-19/#586797936e4a