title: Effect of an oral contraceptive on serum phosphohexose isomerase activity.
mesh_terms: D000293:Adolescent; D000328:Adult; D003276:Contraceptives, Oral / Q000494:pharmacology; D004997:Ethinyl Estradiol / Q000494:pharmacology*; D019304:Ethinyl Estradiol-Norgestrel Combination; D005260:Female; D005956:Glucose-6-Phosphate Isomerase / Q000097:blood*; D006801:Humans; D009644:Norgestrel / Q000494:pharmacology*
chemical_list: D003276:Contraceptives, Oral; D009644:Norgestrel; D004997:Ethinyl Estradiol; D019304:Ethinyl Estradiol-Norgestrel Combination; D005956:Glucose-6-Phosphate Isomerase