A proposal for further developing fatigue-related post COVID-19 health states for burden of disease studies, Wyper, Grant M. A., McDonald Scott A., Haagsma Juanita A., Devleesschauwer Brecht, Charalampous Periklis, Maini Rishma, Smith Pierre, and Pires Sara M. , Arch Public Health, 2023 Nov 02, Volume 81, Issue 1, (2023)