GUO, Siqi. Multivariate Linear Regression Modeling for Influencing Factors of Fetal Y-Chromosome Concentration in Pregnant Women. Frontiers in Business, Economics and Management, [S. l.], v. 23, n. 2, p. 65–70, 2026. DOI: 10.54097/ahg41748. Disponível em: https://drpress.org/ojs/index.php/fbem/article/view/34964. Acesso em: 27 jul. 2026.