title: Editorial: Nitrogen versatility in bats, bears and man.
mesh_terms: D000596:Amino Acids / Q000378:metabolism; D000601:Amino Acids, Essential / Q000378:metabolism; D000818:Animals; D050260:Carbohydrate Metabolism; D002335:Carnivora / Q000378:metabolism*; D002685:Chiroptera / Q000378:metabolism*; D004035:Diet Therapy; D004044:Dietary Proteins / Q000378:metabolism; D005260:Female; D005943:Gluconeogenesis; D006605:Hibernation; D006801:Humans; D007651:Keto Acids / Q000378:metabolism; D007676:Kidney Failure, Chronic / Q000378:metabolism / Q000628:therapy; D008107:Liver Diseases / Q000378:metabolism / Q000628:therapy; D009584:Nitrogen / Q000378:metabolism*; D014508:Urea / Q000096:biosynthesis
chemical_list: D000596:Amino Acids; D000601:Amino Acids, Essential; D004044:Dietary Proteins; D007651:Keto Acids; D014508:Urea; D009584:Nitrogen