LI, Yan. Determination of Optimal Detection Time Window and Error Analysis for Male Fetal Non-Invasive Prenatal Testing Based on K-Means Clustering and Particle Swarm Optimization. International Journal of Public Health and Medical Research, [S. l.], v. 6, n. 2, p. 33–39, 2026. DOI: 10.62051/ijphmr.v6n2.04. Disponível em: https://wepub.org/index.php/IJPHMR/article/view/5966. Acesso em: 10 jun. 2026.