A randomized double blind comparison between formoterol, inhaled via Turbuhaler and inhaled via a pressurized Metered Dose Inhaler, connected to a large volume spacer, used as bronchodilator in patients with acute and severe airway obstruction, visiting the emergency department.

*Please Note* The Study information you are attempting to view is not available on ClinicalTrials.gov as the Study predates the Food and Drug Administration Amendments Act (FDAAA), Section 801 requirements. More information regarding this study may be available by contacting [email protected].

*Please Note* The Study information you are attempting to view is not available on ClinicalTrials.gov as the Study predates the Food and Drug Administration Amendments Act (FDAAA), Section 801 requirements. More information regarding this study may be available by contacting [email protected].