Improvement of pulmonary function and dyspnea by tiotropium in COPD patients using a transdermal β 2-agonist
Title:
Improvement of pulmonary function and dyspnea by tiotropium in COPD patients using a transdermal β 2-agonist
Author:
Akamatsu, K. Yamagata, T. Takahashi, T. Miura, K. Maeda, S. Yamagata, Y. Ichikawa, T. Yanagisawa, S. Ueshima, K. Hirano, T. Nakanishi, M. Matsunaga, K. Minakata, Y. Ichinose, M.