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Jonasson KA, Willis CK.Jonasson KA, et al.PLoS One. 2011;6(6):e21061. doi: 10.1371/journal.pone.0021061. Epub 2011 Jun 22.PLoS One. 2011.PMID: 21731647Free PMC article.
Czenze ZJ, Park AD, Willis CK.Czenze ZJ, et al.J Comp Physiol B. 2013 Aug;183(6):859-66. doi: 10.1007/s00360-013-0753-4. Epub 2013 Mar 29.J Comp Physiol B. 2013.PMID: 23539327