“Socio-Demographic Correlates of Perception and Awareness of Out-of-Pocket Health Expenditures Among Household Heads in Gwagwalada Area Council, Abuja, Nigeria”. World Journal of Current Medical and Pharmaceutical Research 7, no. 2 (August 26, 2025). Accessed January 28, 2026. https://wjcmpr.org/index.php/journal/article/view/365.