References

[1] Tojo K. (1984). Prolonged drug release from a simple cylindrical device with a small hole, Chem. Eng. Commun., 30 ,311-322.

[2] Simon, L. and Ospina, J. (2013), Two-dimensional solution and analysis of a cylindrical matrix device with a circular release area, Chem. Eng. Commun., 200, 115-138.

Released 11/05/08. Recently modified 11/05/08.
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