title: [Plasma and urinary metanephrine in essential hypertension. Determination of metanephrine by radioimmunoassay].
mesh_terms: D004837:Epinephrine / Q000031:analogs & derivatives*; D006801:Humans; D006973:Hypertension / Q000097:blood / Q000378:metabolism* / Q000652:urine; D008676:Metanephrine / Q000032:analysis* / Q000097:blood / Q000652:urine; D011863:Radioimmunoassay / Q000379:methods*
chemical_list: D008676:Metanephrine; D004837:Epinephrine