Drug Resistant Mycobacterium tuberculosis of the Beijing Genotype Does Not Spread in Sweden Ghebremichael, Solomon ; Groenheit, Ramona ; Pennhag, Alexandra ; Koivula, Tuija ; Andersson, Emmi ; Bruchfeld, Judith ; Hoffner, Sven ; Romanus, Victoria ; Källenius, Gunilla Abstract Publication: PLoS ONE Pub Date: May 2010 DOI: 10.1371/journal.pone.0010893 Bibcode: 2010PLoSO...510893G