PATEL, D. Sample Size Estimation in Clinical Trials. National Journal of Community Medicine, [S. l.], v. 15, n. 06, p. 503–508, 2024. DOI: 10.55489/njcm.150620243815. Disponível em: https://njcmindia.com/index.php/file/article/view/3815. Acesso em: 21 dec. 2024.