Health
Vol.5 No.10(2013), Paper ID 37687, 8 pages
DOI:10.4236/health.2013.510213
Why do we yawn?
William Burke
Brain Research Laboratory, Discipline of Physiology, and Bosch Institute, University of Sydney, Sydney, Australia;
Copyright © 2013 William Burke et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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