title: Seasonal variation in the plasma testosterone concentration of reindeer and caribou.
mesh_terms: D000818:Animals; D001188:Artiodactyla / Q000502:physiology*; D003670:Deer / Q000502:physiology*; D008297:Male; D012621:Seasons; D013739:Testosterone / Q000097:blood*
chemical_list: D013739:Testosterone