Duggan, Ana T.; Perdomo, Maria F.; Piombino-Mascali, Dario; Marciniak, Stephanie; Poinar, Debi; Emery, Matthew V.; Buchmann, Jan P.; Duchêne, Sebastian; Jankauskas, Rimantas; Humphreys, Margaret; Golding, G. Brian; Southon, John; Devault, Alison; Rouillard, Jean-Marie; Sahl, Jason W.; Dutour, Olivier; Hedman, Klaus; Sajantila, Antti; Smith, Geoffrey L.; Holmes, Edward C.; Poinar, Hendrik N. (19 December 2016). "17th Century Variola Virus Reveals the Recent History of Smallpox". Current Biology. 26 (24): 3407–3412. doi:10.1016/j.cub.2016.10.061. PMC5196022. PMID27939314.
Duggan, Ana T.; Perdomo, Maria F.; Piombino-Mascali, Dario; Marciniak, Stephanie; Poinar, Debi; Emery, Matthew V.; Buchmann, Jan P.; Duchêne, Sebastian; Jankauskas, Rimantas; Humphreys, Margaret; Golding, G. Brian; Southon, John; Devault, Alison; Rouillard, Jean-Marie; Sahl, Jason W.; Dutour, Olivier; Hedman, Klaus; Sajantila, Antti; Smith, Geoffrey L.; Holmes, Edward C.; Poinar, Hendrik N. (19 December 2016). "17th Century Variola Virus Reveals the Recent History of Smallpox". Current Biology. 26 (24): 3407–3412. doi:10.1016/j.cub.2016.10.061. PMC5196022. PMID27939314.
Duggan, Ana T.; Perdomo, Maria F.; Piombino-Mascali, Dario; Marciniak, Stephanie; Poinar, Debi; Emery, Matthew V.; Buchmann, Jan P.; Duchêne, Sebastian; Jankauskas, Rimantas; Humphreys, Margaret; Golding, G. Brian; Southon, John; Devault, Alison; Rouillard, Jean-Marie; Sahl, Jason W.; Dutour, Olivier; Hedman, Klaus; Sajantila, Antti; Smith, Geoffrey L.; Holmes, Edward C.; Poinar, Hendrik N. (19 December 2016). "17th Century Variola Virus Reveals the Recent History of Smallpox". Current Biology. 26 (24): 3407–3412. doi:10.1016/j.cub.2016.10.061. PMC5196022. PMID27939314.