Masi, S., V. Narat, A. Todd, and S. Krief. 2012. “How Do Great Apes Acquire Information on Unusual Feeding Behaviors? A Windows to Understand Origins of Self-Medication in Humans”. Journal of Biological Research - Bollettino Della Società Italiana Di Biologia Sperimentale 85 (1). https://doi.org/10.4081/jbr.2012.4146.