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The effect of increasing doses of beta-agonists on airflow in patients with chronic airflow limitation.

W. McIlroy, G. Guyatt, D. Cook, 1993, Respiratory Medicine.

Regular versus as-needed short-acting inhaled beta-agonist therapy for chronic obstructive pulmonary disease.

G. Guyatt, D. Cook, R. Jaeschke, 2001, American journal of respiratory and critical care medicine.

Effect of increasing doses of beta agonists on spirometric parameters, exercise capacity, and quality of life in patients with chronic airflow limitation.

G. Guyatt, D. Cook, R. Jaeschke, 1994, Thorax.

Budesonide Aqueous Nasal Spray and Pressurized Metered Dose Inhaler in the Treatment of Adult Patients with Seasonal Allergic Rhinitis

P. Patel, W. Yang, M. Drouin, 1997, American journal of rhinology.