title: Variations in the level of plasma immunoreactive luteinizing hormone during breeding cycles in Japanese quail.
mesh_terms: D000818:Animals; D001717:Birds / Q000502:physiology*; D002454:Cell Differentiation; D002645:Chickens; D002940:Circadian Rhythm; D003624:Darkness; D007985:Leydig Cells; D008027:Light; D007986:Luteinizing Hormone / Q000097:blood*; D008297:Male; D012098:Reproduction; D012621:Seasons
chemical_list: D007986:Luteinizing Hormone