title: Seasonal variation in insulin and glucagon concentrations of Rana esculenta (L.).
mesh_terms: D000818:Animals; D001683:Biological Clocks; D005934:Glucagon / Q000097:blood / Q000378:metabolism*; D007328:Insulin / Q000097:blood / Q000378:metabolism*; D010179:Pancreas / Q000378:metabolism*; D011893:Rana esculenta / Q000378:metabolism*; D012621:Seasons
chemical_list: D007328:Insulin; D005934:Glucagon