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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/).
Volume ratio of tumours grown from the FFS3 cell line 72 h after single intratumoural injection of the following compounds: saline (●), Au-GSH (■), Au-GSH-Dox (▼), Dox (▲) compared to the tumour volume before treatment. ** p < 0.01 was assigned as highly significant.