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. 2017 Jun 5;9(6):63. doi: 10.3390/cancers9060063

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© 2017 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Cytotoxicity of laser-irradiated mixtures of ICG and VP-16 in A549 cells. Cells were treated with (A) photo-irradiated VP-16 in cell culture medium and (B) photo-irradiated mixtures of ICG and VP-16 in cell culture medium for 4 h. Cell viability was evaluated by using the standard MTT assay.