The Design of Artificial Nestboxes for the Study of Secondary Hole-Nesting Birds: A Review of Methodological Inconsistencies and Potential BiasesMarcel M. Lambrechts, Ian Stewart, Oskars Keišs et al.|Acta Ornithologica|2010Cited by 337
Testosterone, ticks and travels: a test of the immunocompetence-handicap hypothesis in free-ranging male sand lizardsMats Olsson, Bengt Silverin, Erik Wapstra et al.|Proceedings of the Royal Society B Biological Sciences|2000Cited by 151