Ancient Phylogenetic Beginnings of Immunoglobulin Hypermutation.Published in:Journal of Molecular Evolution, 2006, v. 63, n. 5, p. 1, doi. 10.1007/s00239-006-0051-9By:Kubrycht, Jaroslav;Sigler, Karel;Růzička, Michal;Souček, Pavel;Borecký, Jiř í;Ježek, PetrPublication type:Article