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. 2019 Oct 8;10:4501. doi: 10.1038/s41467-019-12527-5

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — Proposed integration of a blood test for the triage of brain cancer. Lack of specific symptoms often results in brain cancer patients visiting their GPs numerous times before receiving a diagnosis; a blood test in primary care could effectively prioritise patients for urgent brain imaging, potentially reducing the time-to-diagnosis. The ATR-FTIR spectroscopy test would fit into standard blood analysis