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. Author manuscript; available in PMC: 2011 Apr 6.
Published in final edited form as: J Pharm Biomed Anal. 2009 Nov 26;51(5):1120–1127. doi: 10.1016/j.jpba.2009.11.020

Fig. 4.

Fig. 4

Effect of different pH on transport of matrine across Caco-2 cell monolayer. Each data point is the average of three determinations and the error bar is the standard deviation of the mean.