Effect of add-on therapy of tiotropium in COPD treated with theophylline-2

<p><b>Copyright information:</b></p><p>Taken from "Effect of add-on therapy of tiotropium in COPD treated with theophylline"</p><p></p><p>International Journal of Chronic Obstructive Pulmonary Disease 2008;3(1):137-147.</p><p>Published online Jan 2008</p><p>PMCID:PMC2528215.</p><p>© 2008 Kawayama et al, publisher and licensee Dove Medical Press Ltd.</p

Effect of add-on therapy of tiotropium in COPD treated with theophylline-4

<p><b>Copyright information:</b></p><p>Taken from "Effect of add-on therapy of tiotropium in COPD treated with theophylline"</p><p></p><p>International Journal of Chronic Obstructive Pulmonary Disease 2008;3(1):137-147.</p><p>Published online Jan 2008</p><p>PMCID:PMC2528215.</p><p>© 2008 Kawayama et al, publisher and licensee Dove Medical Press Ltd.</p

Effect of add-on therapy of tiotropium in COPD treated with theophylline-3

<p><b>Copyright information:</b></p><p>Taken from "Effect of add-on therapy of tiotropium in COPD treated with theophylline"</p><p></p><p>International Journal of Chronic Obstructive Pulmonary Disease 2008;3(1):137-147.</p><p>Published online Jan 2008</p><p>PMCID:PMC2528215.</p><p>© 2008 Kawayama et al, publisher and licensee Dove Medical Press Ltd.</p