Effect of Zinc and Phenylalanine Supplementation on Birth Outcomes: A Systematic Review and Meta-Analysis. IPS Journal of Public Health, [S. l.], v. 5, n. 4, p. 373–382, 2025. DOI: 10.54117/ktsar565. Disponível em: https://journals.ipsintelligentsia.com/public-health/index.php/ijph/article/view/63. Acesso em: 3 jun. 2026.