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Killian J، Pratis K، Clifton RJ، Stanton PG، Robertson DM، O'Donnell L (مايو 2003). "5alpha-reductase isoenzymes 1 and 2 in the rat testis during postnatal development". Biol. Reprod. ج. 68 ع. 5: 1711–8. DOI:10.1095/biolreprod.102.009142. PMID:12606426.
Clark RV، Hermann DJ، Cunningham GR، Wilson TH، Morrill BB، Hobbs S (مايو 2004). "Marked suppression of dihydrotestosterone in men with benign prostatic hyperplasia by dutasteride, a dual 5alpha-reductase inhibitor". J. Clin. Endocrinol. Metab. ج. 89 ع. 5: 2179–84. DOI:10.1210/jc.2003-030330. PMID:15126539.