@article{a977c8e7fe26453bbfba4f3d9efbedef,
title = "Ignoring the challenge? Male black redstarts (Phoenicurus ochruros) do not increase testosterone levels during territorial conflicts but they do so in response to gonadotropin-releasing hormone",
keywords = "Androgen responsiveness, Breeding season length, Challenge hypothesis, GnRH, Number of broods hypothesis, Territorial aggression",
author = "Beate Apfelbeck and Wolfgang Goymann",
year = "2011",
doi = "10.1098/rspb.2011.0098",
language = "English",
volume = "278",
pages = "3233--3242",
journal = "Proceedings of the Royal Society B: Biological Sciences",
issn = "0962-8452",
publisher = "The Royal Society",
number = "1722",
}