Okoye, I., and O. Onyebuchi. “UTILIZATION OF DRUG INFORMATION SERVICES IN SELECTED TERTIARY HOSPITALS IN ENUGU STATE, NIGERIA”. Journal of Current Biomedical Research, vol. 1, no. 2, Sept. 2021, pp. 17-26, https://journals.unizik.edu.ng/jcbr/article/view/718.