title: The effect of ampicillin administration on urinary estriol and serum estradiol in the normal pregnant patient.
mesh_terms: D000293:Adolescent; D000328:Adult; D000667:Ampicillin / Q000494:pharmacology*; D003404:Creatinine / Q000097:blood; D004958:Estradiol / Q000097:blood*; D004964:Estriol / Q000652:urine*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011863:Radioimmunoassay
chemical_list: D004958:Estradiol; D000667:Ampicillin; D003404:Creatinine; D004964:Estriol