Jahan, L., Ferdaus, R., Shaheen, S.M., Sultan, M.Z. and Mazid, M.A. 2011. <i>In vitro</i> Transdermal Delivery of Metformin from a HPMC/ PVA Based TDS-patch at Different pH. Journal of Scientific Research. 3, 3 (Aug. 2011), 651–657. DOI:https://doi.org/10.3329/jsr.v3i3.7422.