Food sharing is linked to urinary oxytocin levels and bonding in related and unrelated wild chimpanzees.

Wittig, Roman M; Crockford, Catherine; Deschner, Tobias; Langergraber, Kevin E; Ziegler, Toni E; Zuberb├╝hler, Klaus.
Proc Biol Sci; 281(1778): 20133096, 2014 Mar 07.
Artigo em Inglês | MEDLINE | ID: mdl-24430853