title: Microparticulate bonded pyrrolidone for high performance liquid chromatographic separation of estrogenic steroids in urine.
mesh_terms: D002851:Chromatography, High Pressure Liquid; D004967:Estrogens / Q000652:urine*; D005260:Female; D006801:Humans; D006860:Hydrogen Bonding; D008297:Male; D010316:Particle Size; D011760:Pyrrolidinones; D013256:Steroids / Q000652:urine*
chemical_list: D004967:Estrogens; D011760:Pyrrolidinones; D013256:Steroids