Pharmacological and behavioral investigation of putative self-medicative plants in Budongo chimpanzee diets -н Freymann, E, Carvalho, S, Garbe, LA, Dwi Ghazhelia, D, Hobaiter, C, Huffman, MA, Muhumuza, G, Schulz, L, Sempebwa, D, Wald, F, Yikii, ER, Zuberbühler, K, Schultz, F