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Suchak M, Watzek J, Quarles LF, de Waal FBM.Suchak M, et al. Among authors: de waal fbm.Anim Cogn. 2018 Jan;21(1):87-98. doi: 10.1007/s10071-017-1142-2. Epub 2017 Nov 17.Anim Cogn. 2018.PMID: 29147914
de Waal FB, Suchak M.de Waal FB, et al.Philos Trans R Soc Lond B Biol Sci. 2010 Sep 12;365(1553):2711-22. doi: 10.1098/rstb.2010.0119.Philos Trans R Soc Lond B Biol Sci. 2010.PMID: 20679114Free PMC article.Review.
Plotnik JM, Lair R, Suphachoksahakun W, de Waal FB.Plotnik JM, et al.Proc Natl Acad Sci U S A. 2011 Mar 22;108(12):5116-21. doi: 10.1073/pnas.1101765108. Epub 2011 Mar 7.Proc Natl Acad Sci U S A. 2011.PMID: 21383191Free PMC article.