Genetic Diversity and Possible Origins of the Hepatitis B Virus in Siberian Natives oleh Victor Manuylov, Vladimir Chulanov, Ludmila Bezuglova, Elena Chub, Anastasia Karlsen, Karen Kyuregyan, Yulia Ostankova, Alexander Semenov, Ludmila Osipova, Tatjana Tallo, Irina Netesova, Artem Tkachuk, Vladimir Gushchin, Sergey Netesov, Lars O. Magnius, Heléne Norder