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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/).
Receiver operating curve (ROC) curve for the ability of HCN to discriminate between the breath of Head and Neck Squamous Cell Carcinoma (HNSCC) and non-cancer individuals.