Anti-inflammatory effects and clinical efficacy of theophylline and tulobuterol in mild-to-moderate chronic obstructive pulmonary disease
M . Kanehara , A . Yokoyama , Y . Tomoda , N . Shiota , H . Iwamoto , N . Ishikawa , Y . Taooka , Y . Haruta , N . Hattori , N . Kohno
Pulmonary Pharmacology and Therapeutics December 2008; Volume 21, Issue 6