title: The determination of urinary pregnandiol by thin-layer chromatography, with quantitative densitometry: comparative study with a spectrophotometric method.
mesh_terms: D002855:Chromatography, Thin Layer; D003720:Densitometry; D005069:Evaluation Studies as Topic; D006801:Humans; D011276:Pregnanediol / Q000652:urine*; D013053:Spectrophotometry
chemical_list: D011276:Pregnanediol