title: Thyroxine concentrations in blood serum and pericardial fluid of metamorphosing tadpoles and of adult frogs.
mesh_terms: D000818:Animals; D001001:Anura; D008675:Metamorphosis, Biological; D010490:Pericardial Effusion / Q000378:metabolism*; D011863:Radioimmunoassay; D011892:Rana catesbeiana; D013974:Thyroxine / Q000097:blood / Q000378:metabolism*
chemical_list: D013974:Thyroxine