The effect of socil interaction techniques to promote the resumption of ovarian cyclicity in a female captive chimpanzee (Pan troglodytes) - Pizzutto, Cristiane Schilbach; Nichi, Marcilio; Sgai, Manuela Gonçalves Fraga Geronymo; Corrêa, S. H. R; Viau, Paul; Beresca, Ana Maria; Oliveira, Cláudio Alvarenga de; Barnabé, Renato Campanarut; Guimarães, Marcelo Alcindo de Barros Vaz (International Conference on Environmental Enrichment, 2007)