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. 2014 Sep 26;6(4):432–440. doi: 10.4252/wjsc.v6.i4.432

Figure 3.

Figure 3

Convection enhanced delivery of therapy to overcome two barriers of brain tumors. A: Systemic delivery of drugs blocked from entry into the brain by the blood brain barrier; B: Drug delivery inhibited by the brain-tumor barrier. This convection enhanced delivery can be used to deliver neural stem cells locally onto a tumor.