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Table 1 Duration of bronchodilator abstinence

From: A method to study the effect of bronchodilators on smoke retention in COPD patients: study protocol for a randomized controlled trial

Abstinence (hours)

Bronchodilator

• 8

• Salbutamol

• Terbutaline

• Ipratropium bromide

• 24

• Formoterol

• Salmeterol

• 48

• Tiotropium bromide

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Trials

ISSN: 1745-6215