GUIRACOCHA SUAREZ, Humberto; ALARCON, Daniel; RAMIREZ, Charles; CENTENO, Robert. Identification of the variables product of pregnancy and period of pregnancy on fetal death through the use of chi-square statistic. Ecuadorian Science Journal, [S. l.], v. 3, n. 2, p. 15–24, 2019. DOI: 10.46480/esj.3.2.35. Disponível em: https://journals.gdeon.org/index.php/esj/article/view/35.. Acesso em: 22 sep. 2025.