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. 2018 Oct 8;5(2):e000847. doi: 10.1136/openhrt-2018-000847

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© Author(s) (or their employer(s)) 2018. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/

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Spaghetti plot of individual patient N-terminal pro-B type natriuretic peptide (NT-proBNP) concentrations for patients with ischaemic stress test results. Median, 25th and 75th percentiles are noted by boxes and whiskers extend to 1.5x interquartile range..