title: Letter: Aspirin and oestriol excretion.
mesh_terms: D001241:Aspirin / Q000494:pharmacology*; D004964:Estriol / Q000652:urine*; D005260:Female; D005965:Glucuronates / Q000652:urine; D006801:Humans; D011247:Pregnancy
chemical_list: D005965:Glucuronates; D004964:Estriol; D001241:Aspirin