Daily variation in lung function in COPD patients with combined albuterol and ipratropium: Results from a 4-week, randomized, crossover study

Daily variation in lung function in COPD patients with combined albuterol and ipratropium: Results from a 4-week, randomized, crossover study

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Pulmonary Pharmacology & Therapeutics - Volume 31, April 2015, Pages 85-91

Dave Singh, Chang-Qing Zhu, Sanjay Sharma, Alison Church, Chris J. Kalberg,