Sperm competition in tropical versus temperate zone birds.
Albrecht T, Kleven O, Kreisinger J, Laskemoen T, Omotoriogun TC, Ottosson U, Reif J, Sedláček O, Hořák D, Robertson RJ, Lifjeld JT.
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Proc Biol Sci. 2012 Dec 12;280(1752):20122434. doi: 10.1098/rspb.2012.2434. Print 2013 Feb 7.
Proc Biol Sci. 2012.
PMID: 23235706
Free PMC article.