title: Studies in porphyria. VIII. Relationship of the 5 alpha-reductive metabolism of steroid hormones to clinical expression of the genetic defect in acute intermittent porphyria.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000642:Ammonia-Lyases / Q000172:deficiency*; D000735:Androstenedione / Q000031:analogs & derivatives / Q000378:metabolism*; D005260:Female; D006801:Humans; D008099:Liver / Q000201:enzymology; D008297:Male; D008875:Middle Aged; D010088:Oxidoreductases / Q000378:metabolism; D017118:Porphyria, Acute Intermittent; D011164:Porphyrias / Q000378:metabolism*; D013739:Testosterone / Q000378:metabolism*
chemical_list: D013739:Testosterone; D000735:Androstenedione; D010088:Oxidoreductases; D000642:Ammonia-Lyases