BOYADZHIEVA, Vladimira; DONCHEVA – DILOVA, Jaklin; STOILOV, Nikolay. Post-Covid-19 syndrome – a new challenge with an unknown end. Rheumatology (Bulgaria), [S. l.], v. 31, n. 4, p. 78–111, 2024. DOI: 10.35465/31.4.2023.pp78-94. Disponível em: https://www.rheumatologybg.org/journal/rbj/article/view/59. Acesso em: 14 jul. 2026.