ZHANG, Qiyuan. Determinants of U.S. Health Insurance Charges: Evidence from Multivariate Regression. Exploring Science Academic Conference Series, [S. l.], v. 12, p. 23–28, 2026. DOI: 10.70267/lshe.20260104. Disponível em: https://journals.zeuspress.org/index.php/conference/article/view/579. Acesso em: 5 feb. 2026.