Authors: Rychlik, R Pfeil, T Daniel, D Pfeil, B Mast, O Thate-Waschke, I Lorenz, J

Citation: R. Rychlik et al., Socioeconomic relevance of acute exacerbations of chronic bronchitis in the Federal Republic of Germany, DEUT MED WO, 126(13), 2001, pp. 353-359