Maternal, newborn and child health (MNCH) services utilization: A comparative case study of tertiary and primary health care facilities in Cross River State. African Journal of Biomedical Research, [S. l.], v. 24, n. 1, p. 81–92, 2021. Disponível em: https://www.ojshostng.com/index.php/ajbr/article/view/1154. Acesso em: 6 nis. 2026.