ZHANG, Mengtian; LV, Jingjing; TIAN, Xiaodong; ZHANG, Yingying. Analysis of the Optimal Timing for NIPT and the Detection of Fetal Abnormalities Based on Cluster Analysis and Gradient Boosting Techniques. International Journal of Public Health and Medical Research, [S. l.], v. 6, n. 2, p. 62–71, 2026. DOI: 10.62051/ijphmr.v6n2.07. Disponível em: https://wepub.org/index.php/IJPHMR/article/view/5970. Acesso em: 10 jun. 2026.