UGWU, D. I. Challenges of Nigerian Healthcare Services: A Call for System Reform Towards Effective Health Promotion. NIGERIAN JOURNAL OF HEALTH PROMOTION , [S. l.], v. 18, n. 1, 2025. Disponível em: https://journals.aphriapub.com/index.php/NJHP/article/view/3233. Acesso em: 5 dec. 2025.