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  • Letters December 15, 2009

    Anna Conen, MD; Stefan Zimmerer, MD; Andrej Trampuz, MD; Reno Frei, MD; Manuel Battegay, MD; Luigia Elzi, MD, MSc

    Ann Intern Med. 2009; 151(12):895-897. doi: 10.7326/0003-4819-151-12-200912150-00020