title: Quantitative analysis of trace amounts of estrogenic steroids in pregnancy urine by column liquid-liquid chromatography with ultraviolet detection.
mesh_terms: D001322:Autoanalysis; D002852:Chromatography, Ion Exchange; D004958:Estradiol / Q000652:urine; D004964:Estriol / Q000652:urine; D004967:Estrogens / Q000652:urine*; D004970:Estrone / Q000652:urine; D005260:Female; D006801:Humans; D008433:Mathematics; D008722:Methods; D011247:Pregnancy; D013053:Spectrophotometry; D014466:Ultraviolet Rays
chemical_list: D004967:Estrogens; D004970:Estrone; D004958:Estradiol; D004964:Estriol