title: Determination of aromatic and neutral aminoacids by HPLC in blood specimens collected on filter paper.
mesh_terms: D000596:Amino Acids / Q000097:blood*; D002851:Chromatography, High Pressure Liquid / Q000379:methods*; D006801:Humans; D010209:Paper; D010661:Phenylketonurias / Q000097:blood; D009764:o-Phthalaldehyde
chemical_list: D000596:Amino Acids; D009764:o-Phthalaldehyde