title: Effect of two different combinations of ethinyl estradiol and levonorgestrel on hepatic functions.
mesh_terms: D000818:Animals; D004347:Drug Interactions; D004997:Ethinyl Estradiol / Q000494:pharmacology*; D005260:Female; D016912:Levonorgestrel; D008099:Liver / Q000187:drug effects / Q000378:metabolism*; D009644:Norgestrel / Q000494:pharmacology*; D051381:Rats; D011919:Rats, Inbred Strains; D013237:Stereoisomerism
chemical_list: D009644:Norgestrel; D004997:Ethinyl Estradiol; D016912:Levonorgestrel