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"Isolation of a cDNA clone derived from a blood-borne non-A, non-B viral hepatitis genome". Science244 (4902): 359–62. April 1989. doi:10.1126/science.2523562. பப்மெட்:2523562.
Wang, KS; Choo, QL; Weiner, AJ; Ou, JH; Najarian, RC; Thayer, RM; Mullenbach, GT; Denniston, KJ et al. (9 October 1986). "Structure, sequence and expression of the hepatitis delta (delta) viral genome". Nature323 (6088): 508–14. doi:10.1038/323508a0. பப்மெட்:3762705.