title: Standardisation of urinary estriol determinations during pregnancy.
mesh_terms: D001322:Autoanalysis; D002852:Chromatography, Ion Exchange; D004355:Drug Stability; D004964:Estriol / Q000652:urine*; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008722:Methods; D011247:Pregnancy; D012972:Sodium Hydroxide; D012995:Solubility; D013050:Spectrometry, Fluorescence; D013997:Time Factors
chemical_list: D012972:Sodium Hydroxide; D004964:Estriol