the diagnosis of 5 alpha-reductase deficiency was confirmed by demonstration of male levels of testosterone and testosterone precursors before and after hcg administration , elevated plasma testosterone to dihydrotestosterone and urinary etiocholanolone to androsterone ratios , and by in vitro studies indicating 5 alpha-reductase enzyme deficiency in the epididymis of one patient .
C0268297
5
C0149676
enzyme deficiency