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TITLE: Testosterone in tropical birds: Effects of environmental and social factors
AUTHORS: Goymann, W; Moore, IT; Scheuerlein, A; Hirschenhauser, K; Grafen, A; Wingfield, JC;
PUBLISHED: 2004, SOURCE: AMERICAN NATURALIST, VOLUME: 164, ISSUE: 3
INDEXED IN: Scopus WOS CrossRef