Uwah, .T.O. , Akpabio, E.I. and Effiong, D. 2021. Plants as pharmaceutical excipients in oral sustained drug delivery systems: A review. Journal of Applied Pharmaceutical Research. 9, 3 (Sep. 2021), 26-38. DOI:https://doi.org/10.18231/j.joapr.2021.v9.i3.26-38.