title: Letter: Interference of radiopaque dyes with the 2,4-dinitrophenylhydrazine test.
mesh_terms: D003287:Contrast Media / Q000009:adverse effects*; D005189:False Positive Reactions; D006801:Humans; D008661:Metabolism, Inborn Errors / Q000175:diagnosis*; D010659:Phenylhydrazines
chemical_list: D003287:Contrast Media; D010659:Phenylhydrazines