Annals of internal medicine
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Randomized Controlled Trial Multicenter Study
Effect of fluticasone with and without salmeterol on pulmonary outcomes in chronic obstructive pulmonary disease: a randomized trial.
Inhaled corticosteroids (ICSs) and long-acting beta(2)-agonists (LABAs) are used to treat moderate to severe chronic obstructive pulmonary disease (COPD). ⋯ ICS therapy decreases inflammation and can attenuate decline in lung function in steroid-naive patients with moderate to severe COPD. Adding LABAs does not enhance these effects. .
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Randomized Controlled Trial
Facemasks and hand hygiene to prevent influenza transmission in households: a cluster randomized trial.