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. 2020 Apr 3;7:171. doi: 10.3389/fvets.2020.00171

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Copyright © 2020 Mills, Mueller, McPeake and Engel.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Visualization of the item-to-item correlation matrix (heat map) for Lincoln Canine Anxiety Scale (LCAS). The following item codes were used: 1 = running around; 2 = drooling salvia;, 3 = hiding; 4 = destructiveness; 5 = cowering; 6 = restlessness/pacing; 7 = aggressive behavior; 8= freezing to the spot; 9 = barking/whining/howling; 10 = panting; 11 = vomiting/defecating/urinating/diarrhea; 12 = owner seeking behavior; 13 = vigilance/scanning of the environment; 14 = bolts; 15 = shaking/trembling; 16 = self-harm.