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. 2015 Mar 4;350:h910. doi: 10.1136/bmj.h910

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© Roberts et al 2015

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 and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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graphic file with name robe022337.f2_default.jpg — Fig 2 Results for B type natriuretic peptide (separated by threshold) displayed in summary receiver operating characteristic space. Size of symbol indicates study size and solid circles show pooled sensitivity or specificity value (for >500 ng/L insufficient data were available to pool results)