title: [STUDY ON THE USE OF FORMALDEHYDE FOR THE REMOVAL OF PIGMENTS AND NON-SPECIFIC CHROMOGENS IN THE DETERMINATION OF URINARY 17-KETOSTEROIDS. INTERFERENCE OF UREA].
mesh_terms: D015068:17-Ketosteroids; D000738:Androsterone; D003687:Dehydroepiandrosterone; D005557:Formaldehyde; D009282:Naphthalenesulfonates; D012106:Research; D014508:Urea; D014556:Urine
chemical_list: D015068:17-Ketosteroids; D009282:Naphthalenesulfonates; D005557:Formaldehyde; D003687:Dehydroepiandrosterone; D014508:Urea; D000738:Androsterone; C006671:azo rubin S
keywords: 17-KETOSTEROIDS; ANDROSTERONE; DEHYDROEPIANDROSTERONE; EXPERIMENTAL LAB STUDY; FORMALDEHYDE; UREA; URINE
vernacular_title: ESTUDIO SOBRE EL EMPLEO DEL FORMOL PARA LA REMOCION DE PIGMENTOS Y CROMOGENOS INESPECIFICOS EN LA DETERMINACION DE 17-CETOESTEROIDES URINARIOS. INTERFERENCIA DE LA UREA.