Martimbianco, Ana Luiza Cabrera, Rafael Leite Pacheco, Carolina de Oliveira Cruz Latorraca, Raphael Einsfeld Simões Ferreira, and Rachel Riera. “Systematic Reviews on Interventions for COVID-19 Have Rarely Graded the Certainty of the Evidence”. São Paulo Medical Journal 139, no. 5 (September 2, 2021): 511–513. Accessed October 16, 2025. https://periodicosapm.emnuvens.com.br/spmj/article/view/523.