Salihu, H.M. et al. 2015. Socio-ecological Model as a Framework for Overcoming Barriers and Challenges in Randomized Control Trials in Minority and Underserved Communities. International Journal of Maternal and Child Health and AIDS. 3, 1 (Jan. 2015), 85–95. DOI:https://doi.org/10.21106/ijma.42.