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Kontturi, Antti; Santiago, Bego~na; Tebruegge, Marc; Both, Ulrich von; Salo, Eeva; Ritz, Nicole (2016): The impact of Bacille Calmette-Guerin shortage on immunisation practice and policies in Europe - A Paediatric Tuberculosis Network European Trials Group (ptbnet) survey. In: Tuberculosis, Vol. 101: pp. 125-129