title: Testosterone in egg yolks: an ornithologist's perspective.
authors.affiliation: Division of Biological Sciences, Cornell University, Ithaca, NY 14853.
authors.forename: D W
authors.initials: DW
authors.lastname: Winkler
mesh_terms: D000818:Animals; D001717:Birds / Q000502:physiology*; D004530:Egg Yolk / Q000737:chemistry / Q000502:physiology*; D005260:Female; D008297:Male; D012744:Sex Ratio; D013731:Territoriality; D013739:Testosterone / Q000032:analysis / Q000502:physiology*
chemical_list: D013739:Testosterone