1. Chronic pain and high-impact chronic pain among U.S. Adults, 2019;Zelaya;NCHS Data Brief,2020
2. The economic costs of pain in the United States;Gaskin;J Pain,2012
3. Emergence from the COVID-19 pandemic and the care of chronic pain: guidance for the interventionalist;Deer;Anesth Analg,2020
4. Emergence from the COVID-19 pandemic and the care of chronic pain: guidance for the interventionalist;Deer;Anesth Analg,2020
5. Recommendations on chronic pain practice during the COVID-19 pandemic: a joint statement by American society of regional Anesthesia & pain medicine (ASRA) and European society of regional Anesthesia and pain therapy (ESRA);Shanthanna,2020