Stress associated with group living in a long-lived bird
Biology Letters (2011) - Comment
pubmed: 21307048  doi: 10.1098/rsbl.2010.1204  issn: 1744-957x  issn: 1744-9561 

Nuria Selva, Ainara Cortes-Avizanda, Jesús A. Lemus, Guillermo Blanco, Thomas Mueller, Bernd Heinrich, José A. Donazar