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. Author manuscript; available in PMC: 2014 Oct 1.
Published in final edited form as: Mater Sci Eng C Mater Biol Appl. 2013 Jul 12;33(7):10.1016/j.msec.2013.07.001. doi: 10.1016/j.msec.2013.07.001

Fig. 2.

Fig. 2

Crystal violet staining of 9L glioma cells cultured under an agar diffusion layer, directly below a SU-8 substrate pad.