Does early care affect joint attention in great apes (Pan troglodytes, Pan paniscus, Pongo abelii, Pongo pygmaeus, Gorilla gorilla)?

Journal of Comparative Psychology (2009) - Comment
pubmed: 19685976 doi: 10.1037/a0015840 issn: 1939-2087 issn: 0735-7036

Caisie A. Pitman, Robert W. Shumaker