^Fujii S, Momoi K, Okamoto M, Yamano T, Okada T, Terasawa T. 18,19-Dihydroxydeoxycorticosterone, a new metabolite produced from 18-hydroxydeoxycorticosterone by cytochrome P-450(11) beta. Chemical synthesis and structural analysis by 1H NMR. Biochemistry. June 1984, 23 (12): 2558–64. PMID 6466598. doi:10.1021/bi00307a004.
^Zhou MY, Gomez-Sanchez EP, Foecking MF, Gomez-Sanchez CE. Cloning and expression of the rat adrenal cytochrome P-450 11B3 (CYP11B3) enzyme cDNA: preferential 18-hydroxylation over 11 beta-hydroxylation of DOC. Molecular and Cellular Endocrinology. October 1995, 114 (1–2): 137–45. PMID 8674838. doi:10.1016/0303-7207(95)03653-o.