title: Use of thermochromism of associates for the determination of antihistamine drugs in pharmaceutical preparations and urine.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D006634:Histamine H1 Antagonists / Q000032:analysis* / Q000652:urine; D006801:Humans; D013053:Spectrophotometry / Q000379:methods; D013607:Tablets / Q000032:analysis; D013816:Thermodynamics
chemical_list: D006634:Histamine H1 Antagonists; D013607:Tablets