Letter in response to: A Practical Guide to Perform a Systematic Literature Review and Meta-analysis. Principles and Practice of Clinical Research, [S. l.], v. 8, n. 4, 2023. DOI: 10.21801/ppcrj.2022.84.3. Disponível em: https://journal.ppcr.org/index.php/ppcrjournal/article/view/213.. Acesso em: 14 apr. 2025.