title: Assay of delta4-3-oxosteroids and their conjugates by the isonicotinic acid hydrazide method.
mesh_terms: D000818:Animals; D005965:Glucuronates / Q000032:analysis*; D007202:Indicators and Reagents; D007538:Isoniazid; D007664:Ketosteroids / Q000032:analysis*; D008099:Liver / Q000032:analysis*; D008297:Male; D008722:Methods; D008862:Microsomes, Liver / Q000032:analysis; D051381:Rats; D013056:Spectrophotometry, Ultraviolet; D013464:Sulfuric Acids / Q000032:analysis*
chemical_list: D005965:Glucuronates; D007202:Indicators and Reagents; D007664:Ketosteroids; D013464:Sulfuric Acids; D007538:Isoniazid