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. 2017 Jul 28;22(4):892–896. doi: 10.1177/2156587217717416

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© The Author(s) 2017

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 2. — Comparison of time of pain tolerance of the leaves of linseed extract in comparison with morphine drugs. d, e: P < .001: in relation to morphine + naloxone group in each case. f, g, h: P < .001: in relation to group compared with the extract group. i, j, k: P < .001: in relation to group compared with the extract + naloxone group. a, b, c: P < .05 compared with each other.