Auteur : Ziegler,T.E. 1 Effects of reproductive and social variables on fecal glucocorticoid levels in a sample of adult male ring-tailed lemurs (Lemur catta) at the Beza Mahafaly Reserve, Madagascar. Titre de la série : American Journal of Primatology. 2005/09/14. Auteurs : Gould,L. Wittwer,D.J. Ziegler,T.E.