Okonoda, K. M., G. N. Mwoltu, O. O. Arigbede, and K. Yakubu. “Psychoactive Substance Use in a Sample of Community Outreach Participants; Prevalence, Correlates and Ease of Incorporating Care”. International Journal of Research in Medical Sciences, vol. 5, no. 7, June 2017, pp. 2845-53, doi:10.18203/2320-6012.ijrms20172572.