5-alpha Reductase InhibitorsAzasteroidsFinasterideUrinary RetentionSerenoaProstatic Hyperplasia3-Oxo-5-alpha-Steroid 4-DehydrogenaseCholestenone 5 alpha-ReductaseHydroxymethylglutaryl-CoA Reductase InhibitorsOxidoreductases Acting on CH-CH Group DonorsFlame IonizationStigmasterolAldehyde ReductasePlant ExtractsSimvastatinLovastatinPravastatinPhytotherapyAndrogen AntagonistsHydroxymethylglutaryl CoA ReductasesPhytosterolsRhodanineHeptanoic AcidsRibonucleotide ReductasesImidazolidinesMevalonic AcidNitrate ReductasesUrination DisordersPyrrolesFatty Acids, MonounsaturatedSorbitolSugar Alcohol DehydrogenasesGlutathione ReductaseCytochrome-B(5) ReductaseNitrite ReductasesFluorobenzenesOxidoreductasesFMN ReductaseThioredoxin-Disulfide ReductaseAnticholesteremic AgentsNADPH-Ferrihemoprotein Reductase