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. Author manuscript; available in PMC: 2011 Oct 30.
Published in final edited form as: Adv Drug Deliv Rev. 2010 Aug 4;62(13):1257–1264. doi: 10.1016/j.addr.2010.07.008

Figure 1.

Figure 1

The ultimate efficacy of a drug is determined by the interactions among the drug, the target cancer cells, and the drug clearance system of the human body.