title: [Variations of testosterone in testicular plasma and interstitial cells in Peking ducks during annual cycle].
mesh_terms: D000818:Animals; D002849:Chromatography, Gas; D004372:Ducks / Q000502:physiology; D007985:Leydig Cells / Q000032:analysis*; D008297:Male; D009929:Organ Size; D012621:Seasons; D013737:Testis; D013739:Testosterone / Q000032:analysis*
chemical_list: D013739:Testosterone
vernacular_title: Variations de la testostérone du plasma testiculaire et des cellules interstitielles chez le canard Pékin au cours du cycle annuel.