The role of testosterone in bib size determination in the male house sparrow Passer domesticus, is age dependent
Author: Roberts, Mark L..  Published in: Journal of Avian Biology, v. 43  no. 3, pp. 264- 272  Date: 2012
ISSN:  0908-8857,  EISSN:  1600-048X  DOI:  10.1111/j.1600-048X.2012.05571.x 
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