title: Intestinal absorption of synthetic steroids.
mesh_terms: D000818:Animals; D004997:Ethinyl Estradiol / Q000378:metabolism*; D005260:Female; D006168:Guinea Pigs; D007408:Intestinal Absorption; D009640:Norethindrone / Q000378:metabolism*; D011817:Rabbits; D051381:Rats; D013045:Species Specificity; D014018:Tissue Distribution
chemical_list: D004997:Ethinyl Estradiol; D009640:Norethindrone