%0 Journal Article %A Ostner, Julia %A Kappeler, Peter %A Heistermann, Michael %+ Junior Research Group Integrative Primate Socio-Ecology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society %T Androgen and glucocorticoid levels reflect seasonally occurring social challenges in male redfronted lemurs (Eulemur fulvus rufus) : %G eng %U https://hdl.handle.net/11858/00-001M-0000-000F-FB4D-9 %F EDOC: 352176 %R 10.1007/s00265-007-0487-y %D 2008 %J Behavioral Ecology and Sociobiology %V 62 %N 4 %& 627 %P 627 - 638