title: Influence of phenobarbital pretreatment on the in vitro ring A reduction of delta4-3-oxo-steroids in rat liver microsomes.
mesh_terms: D015068:17-Ketosteroids / Q000378:metabolism*; D000731:Androstanes / Q000378:metabolism*; D000818:Animals; D002247:Carbon Isotopes; D002248:Carbon Monoxide / Q000494:pharmacology; D002729:Chloromercuribenzoates / Q000494:pharmacology; D002855:Chromatography, Thin Layer; D003486:Cyanides / Q000494:pharmacology; D003580:Cytochromes / Q000494:pharmacology; D066298:In Vitro Techniques; D008297:Male; D008862:Microsomes, Liver / Q000187:drug effects / Q000201:enzymology / Q000378:metabolism*; D006899:Mixed Function Oxygenases / Q000378:metabolism*; D009249:NADP / Q000378:metabolism; D010634:Phenobarbital / Q000494:pharmacology*; D051381:Rats; D013268:Stimulation, Chemical
chemical_list: D015068:17-Ketosteroids; D000731:Androstanes; D002247:Carbon Isotopes; D002729:Chloromercuribenzoates; D003486:Cyanides; D003580:Cytochromes; D009249:NADP; D002248:Carbon Monoxide; D006899:Mixed Function Oxygenases; D010634:Phenobarbital