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Beglinger, C; Dudler, J; Mottet, C; Nicod, L; Seibold, F; Villiger, P; Zellweger, J (2007). Screening for tuberculosis infection before the initiation of an anti-TNF-alpha therapy. Swiss medical weekly(137), 620-2 A. Muttenz: EMH Schweizerischer Ärzteverlag
