Iliopoulos, F;    Caspers, PJ;    Puppels, GJ;    Lane, ME;      (2020)    Franz Cell Diffusion Testing and Quantitative Confocal Raman Spectroscopy: In Vitro-In Vivo Correlation.                   Pharmaceutics , 12  (9)    , Article 887.  10.3390/pharmaceutics12090887 <https://doi.org/10.3390/pharmaceutics12090887>.       Green open access