15. Factors Influencing the Use of Healthcare Services across Underserved Communities in Two Niger Delta Regions of Nigeria. Fountain Journal of Basic Medical and Health Sciences, [S. l.], v. 1, n. 1, 2025. Disponível em: https://fountainjournals.com/index.php/FUJBMHES/article/view/674. Acesso em: 12 feb. 2026.