Sigurdur E. Vilhelmsson

Molecular Evolution in a Multidrug-Resistant Lineage of Streptococcus pneumoniae: Emergence of Strains Belonging to the Serotype 6B Icelandic Clone That Lost Antibiotic Resistance Traits

A. Tomasz, K. Kristinsson, S. E. Vilhelmsson, 2000, Journal of Clinical Microbiology.

Carriage of internationally spread clones of Streptococcus pneumoniae with unusual drug resistance patterns in children attending day care centers in Lisbon, Portugal.

A. Tomasz, H. de Lencastre, H de Lencastre, 2000, The Journal of infectious diseases.

Diversity of penicillin-nonsusceptible Streptococcus pneumoniae circulating in Iceland after the introduction of penicillin-resistant clone Spain(6B)-2.

A. Tomasz, H. de Lencastre, R. Sá-Leão, 2002, The Journal of infectious diseases.