Sample Size Determination in an Epidemiologic Study using the EpiTools Web-Based Calculator. Acta Medica Philippina, [S. l.], v. 48, n. 1, 2014. DOI: 10.47895/amp.v48i1.1192. Disponível em: https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/1192. Acesso em: 12 apr. 2025.