Sourced of - https://www.thailandmedical.news/news/breaking-study-warns-that-fibrocovid-or-fibromyalgia-as-a-result-of-a-sars-cov-2-variant-infection-is-now-a-growing-occurrence-of-long-covid -- https://rmdopen.bmj.com/content/7/3/e001735 -- https://rmdopen.bmj.com/content/rmdopen/7/3/e001735.full.pdf