@article{Hamadu et al._2019, title={Determinants of Households Out-of-Pocket Health Maintenance Costs in Nigeria}, volume={18}, url={http://jsrd.unilag.edu.ng/article/view/426}, number={1}, journal={Journal of Scientific Research and Development}, author={Hamadu et al., D.}, year={2019}, month={Jun.}, pages={25-36} }