TY - RPRT TI - Laterality for visual-spatial processing in two language-trained chimpanzees (Pan troglodytes). AU - W D Hopkins AU - R D Morris PY - 1989 DO - 10.1037//0735-7044.103.2.227 UR - https://pubmed.ncbi.nlm.nih.gov/2706069/ ID - 2706069 ER -