title: A rapid procedure for the determination of phenylalanine and tyrosine from blood filter paper specimens.
mesh_terms: D000592:Amino Acid Metabolism, Inborn Errors / Q000175:diagnosis; D000818:Animals; D001322:Autoanalysis; D002852:Chromatography, Ion Exchange; D006736:Horses; D006358:Hot Temperature; D006801:Humans; D010209:Paper; D010649:Phenylalanine / Q000097:blood*; D010661:Phenylketonurias / Q000097:blood / Q000175:diagnosis; D014443:Tyrosine / Q000097:blood*
chemical_list: D014443:Tyrosine; D010649:Phenylalanine