title: [Colorimetric determination of urinary 5-hydroxyindoleacetic acid following ion pair extraction of both acidic and basic phenothiazines (author's transl)].
mesh_terms: D002855:Chromatography, Thin Layer; D003124:Colorimetry; D005069:Evaluation Studies as Topic; D006801:Humans; D006863:Hydrogen-Ion Concentration; D006897:Hydroxyindoleacetic Acid / Q000652:urine*; D007202:Indicators and Reagents; D008722:Methods; D010640:Phenothiazines / Q000302:isolation & purification / Q000652:urine*; D011398:Promethazine / Q000378:metabolism / Q000652:urine; D013997:Time Factors
chemical_list: D007202:Indicators and Reagents; D010640:Phenothiazines; D006897:Hydroxyindoleacetic Acid; D011398:Promethazine
vernacular_title: Colorimétrie de l'acide 5-hydroxyindoleacétique urinaire après élimination des phénothiazines acides et basiques, par formation de paires d'ions