Randomised Double-Blind Comparison of Oral Gatifloxacin and Co-amoxiclav for Acute Exacerbation of Chronic Bronchitison behalf of the European Gatifloxacin Study group; M. Solèr; H. Lode; R. Baldwin; J. H. A. Levine; A. J. M. Schreurs; J. A. van Noord; F. P. V. Maesen; M. Zehrer · 2003