Repeated introduction and spread of the MRSA clone t304/ST6 in northern Europe

Mette Damkjær Bartels, Peder Worning, Leif Percival Andersen, Michèle Bes, H Enger, Christina Gabrielsen Ås, T. A. Hansen, Barbara Juliane Holzknecht, Kjersti Wik Larssen, Frédéric Laurent, Barbro Mäkitalo, Bruno Pichon, Olov Svartström, Henrik Westh