Anointing variation across wild capuchin populations: a review of material preferences, bout frequency and anointing sociality in Cebus and Sapajus - Alfaro, Jessica W. Lynch; Boyette, Adam H.; Matthews,Luke; Macfarlan, Shane J.; Phillips, Kimberley A.; Falotico, Tiago; Ottoni, Eduardo Benedicto; Verderane, Michele; Izar, Patricia (American Journal of Primatology, 2011)