Refine your search
Availability
-
Authors
-
Topics
- Adrenergic beta-Agonists
- Albuterol
- Asthma
- Bronchodilator Agents
- Cholinergic Antagonists
- Cross-Over Studies
- Delayed-Action Preparations
- Double-Blind Method
- Ethanolamines
- Female
- Forced Expiratory Volume
- Formoterol Fumarate
- Humans
- Ipratropium
- Male
- Metered Dose Inhalers
- Middle Aged
- Peak Expiratory Flow Rate
- Pulmonary Disease, Chronic Obstructive
- drug therapy
- Show more
- Show less
-
Languages