% pubman genre = article @article{item_3291648, title = {{Variation in aggression rates and urinary cortisol levels indicates intergroup competition in wild bonobos}}, author = {Cheng, Leveda and Lucchesi, Stefano and Mundry, Roger and Samuni, Liran and Deschner, Tobias and Surbeck, Martin}, language = {eng}, issn = {0018506X}, doi = {10.1016/j.yhbeh.2020.104914}, year = {2021}, date = {2021-02}, journal = {{Hormones and Behavior}}, volume = {128}, eid = {104914}, }