title: Drug-delivery systems and the biological activity of steroids.
mesh_terms: D000818:Animals; D001692:Biological Transport; D004952:Esters; D007700:Kinetics; D008074:Lipoproteins / Q000097:blood; D008297:Male; D009821:Oils; D014677:Pharmaceutical Vehicles; D011108:Polymers; D051381:Rats; D012756:Sheep; D013256:Steroids / Q000008:administration & dosage* / Q000097:blood / Q000378:metabolism / Q000494:pharmacology; D014867:Water
chemical_list: D004952:Esters; D008074:Lipoproteins; D009821:Oils; D014677:Pharmaceutical Vehicles; D011108:Polymers; D013256:Steroids; D014867:Water