title: Natural variations in hepatic and kidney arginase activities in Minnesota anuran amphibians.
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D001001:Anura; D001119:Arginase / Q000378:metabolism*; D002025:Bufonidae; D004777:Environment; D014644:Genetic Variation; D007668:Kidney / Q000201:enzymology*; D008099:Liver / Q000201:enzymology*; D008910:Minnesota; D009928:Organ Specificity; D011894:Rana pipiens; D013045:Species Specificity; D014867:Water
chemical_list: D014867:Water; D001119:Arginase