title: Evaluation studies resulting in the standardization of the bacterial inhibition assay for blood phenylalanine.
mesh_terms: D000362:Agar; D001431:Bacteriological Techniques; D001681:Biological Assay / Q000592:standards*; D001800:Blood Specimen Collection; D005189:False Positive Reactions; D005374:Filtration; D006801:Humans; D007202:Indicators and Reagents; D007231:Infant, Newborn; D008722:Methods; D010209:Paper; D010649:Phenylalanine / Q000097:blood*; D010661:Phenylketonurias / Q000097:blood*; D013048:Specimen Handling
chemical_list: D007202:Indicators and Reagents; D010649:Phenylalanine; D000362:Agar