1. WHO Declares COVID-19 a Pandemic;Cucinotta;Acta Biomed,2020
2. World Health Organisation. Coronavirus (COVID-19) Dashboard (2013). https://covid19.who.int/ [Accessed June 19, 2023].
3. Heart Failure, and COVID-19: An Update;Hebbard;Front Physiol,2021
4. Prevalence of post-acute COVID-19 syndrome symptoms at different follow-up periods: a systematic review and meta-analysis;Alkodaymi;Clin Microbiol Infect,2022
5. NICE guideline on long covid;Sivan;BMJ,2020