%0 Journal Article %A Gomes, Cristina M. %A Boesch, Christophe %+ Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society Chimpanzees, Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society %T Wild chimpanzees exchange meat for sex on a long-term basis : %G eng %U https://hdl.handle.net/11858/00-001M-0000-000F-F880-B %F EDOC: 434124 %R 10.1371/journal.pone.0005116 %7 2009 %D 2009 %* Review method: peer-reviewed %J PLoS One %V 4 %N 4 %] e5116 %I Public Library of Science %C San Francisco, CA %@ 1932-6203