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The association of smoking status with healthcare utilisation, productivity loss and resulting costs: results from the population-based KORA F4 study

Margarethe Wacker*, Rolf Holle, Joachim Heinrich, Karl-Heinz Ladwig, Annette Peters, Reiner Leidl and Petra Menn

BMC Health Services Research 2013, 13:278  doi:10.1186/1472-6963-13-278