TUAN, Wen-Jan et al. Risk of COVID-19 reinfection and its severe complications in adults treated with long-term opioids for chronic non-cancer pain. Medical Research Archives, [S.l.], v. 12, n. 10, oct. 2024. ISSN 2375-1924. Available at: <https://esmed.org/MRA/mra/article/view/5931>. Date accessed: 22 dec. 2024. doi: https://doi.org/10.18103/mra.v12i10.5931.