title: [Variations of peripheral plasma testosterone in the Pekin duck during the annual cycle].
mesh_terms: D000818:Animals; D002849:Chromatography, Gas; D004372:Ducks; D008297:Male; D009929:Organ Size; D010949:Plasma / Q000032:analysis; D011859:Radiography; D012621:Seasons; D013737:Testis / Q000033:anatomy & histology / Q000000981:diagnostic imaging; D013739:Testosterone / Q000097:blood*
chemical_list: D013739:Testosterone
vernacular_title: Variations de la testostérone du plasma périphérique chez le canard Pékin au cours du cycle annuel.