title: Phenylalanine and tyrosine quantification by stable isotope dilution liquid chromatography-mass spectrometry from filter paper blood spots.
authors: Department of Pediatrics, University of Minnesota, Minneapolis, MN 55455, USA.tuchm001@tc.umn.edu
authors: M
authors: M
authors: Tuchman
authors: M T
authors: MT
authors: McCann
mesh_terms: D001800:Blood Specimen Collection; D002851:Chromatography, High Pressure Liquid; D006801:Humans; D013058:Mass Spectrometry; D010209:Paper; D010649:Phenylalanine / Q000097:blood*; D011865:Radioisotope Dilution Technique; D014443:Tyrosine / Q000097:blood*
chemical_list: D014443:Tyrosine; D010649:Phenylalanine