KHATATBEH, Moawiah et al. Golden Billion Theory and Psychological Stress: A Cross-Sectional Study in Two Middle Eastern Countries. Al-Rafidain Journal of Medical Sciences ( ISSN 2789-3219 ), [S. l.], v. 10, n. 1, p. 93–99, 2026. DOI: 10.54133/ajms.v10i1.2623. Disponível em: https://ajms.iq/index.php/ALRAFIDAIN/article/view/2623. Acesso em: 20 apr. 2026.