TY - JOUR T1 - Effect of pH on weakly acidic and basic model drugs and determination of their ex vivo transdermal permeation routes JO - Brazilian Journal of Pharmaceutical Sciences A1 - Akula, Pranitha A1 - P.K., Lakshmi SN - 1984-8250 UL - 10.1590/s2175-97902018000200070 VL - 54 Y1 - 2018 PB - Brasil ER -