Anxiety-related behavior of orphan chimpanzees (Pan troglodytes schweinfurthii) at Gombe National Park, Tanzania

Psychological Health of Orphan Bonobos and Chimpanzees in African Sanctuaries

(2011) Victoria Wobber et al.   PLoS One

Signs of Mood and Anxiety Disorders in Chimpanzees

(2011) Hope R. Ferdowsian et al.   PLoS One

Ontogenetic Trajectories of Chimpanzee Social Play: Similarities with Humans

(2011) Giada Cordoni et al.   PLoS One

Group Release of Sanctuary Chimpanzees (Pan troglodytes) in the Haut Niger National Park, Guinea, West Africa: Ranging Patterns and Lessons So Far

(2010) Tatyana Humle et al.   INTERNATIONAL JOURNAL OF PRIMATOLOGY

Altruism in Forest Chimpanzees: The Case of Adoption

(2010) Christophe Boesch et al.   PLoS One

Enhancement of attachment and cognitive development of young nursery-reared chimpanzees in responsive versus standard care

(2008) Marinus H. van IJzendoorn et al.   DEVELOPMENTAL PSYCHOBIOLOGY