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US 5814639, Liotta DC, Schinazi RF, Choi WB, "Method for the synthesis, compositions and use of 2'-deoxy-5-fluoro-3'-thiacytidine and related compounds", issued 29 September 1998, assigned to Emory UniversityArchived 31 May 2021 at the Wayback Machine
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US 5814639, Liotta DC, Schinazi RF, Choi WB, "Method for the synthesis, compositions and use of 2'-deoxy-5-fluoro-3'-thiacytidine and related compounds", issued 29 September 1998, assigned to Emory UniversityArchived 31 May 2021 at the Wayback Machine