title: Studies on the mechanism of drug allergy to sulfanilamides. I. A colorimetric method for the determination of 4-hydroxylaminobenzenesulfonamide in biological materials with sodium pentacyanoammineferroate.
mesh_terms: D000818:Animals; D003124:Colorimetry; D004342:Drug Hypersensitivity; D006801:Humans; D006898:Hydroxylamines; D007501:Iron; D009942:Organometallic Compounds; D000644:Quaternary Ammonium Compounds; D051381:Rats; D013424:Sulfanilamides / Q000009:adverse effects* / Q000097:blood / Q000652:urine
chemical_list: D006898:Hydroxylamines; D009942:Organometallic Compounds; D000644:Quaternary Ammonium Compounds; D013424:Sulfanilamides; D007501:Iron