ELFIL, M.; NEGIDA, A. Sampling Methods in Clinical Research; an Educational Review. Archives of Academic Emergency Medicine, [S. l.], v. 5, n. 1, p. e52, 2017. DOI: 10.22037/aaem.v5i1.177. Disponível em: https://journals.sbmu.ac.ir/aaem/index.php/AAEM/article/view/177. Acesso em: 4 oct. 2024.