1. U.S. Department of Health and Human Services, Public Health Service. National Institutes of Health, National Heart Lung and Blood Institute. Global Initiative for Asthma, updated 2003. http://www.ginasthma.com. Accessed December, 2004.
2. U.S. Department of Health and Human Services, Public Health Service. National Institutes of Health, National Heart Lung and Blood Institute. NAEPP Expert Panel Report. Guidelines for the Diagnosis and Management of Asthma-Update on Selected Topics 2002. NIH Publication No. 02-5075. NHLBI Health Information Network. http://www.nhlbi.nih.gov. Accessed December, 2004.
3. Bensch G, Lapidus RJ, Levine BE, et al.: A randomized, 12-week, double-blind, placebo-controlled study comparing formoterol dry powder inhaler with albuterol metered-dose inhaler. Ann Allergy Asthma Immunol 2001, 86:19–27.
4. Pearlman DS, Chervinsky P, LaForce C, et al.: A comparison of salmeterol with albuterol in the treatment of mild-tomoderate asthma. N Engl J Med 1992, 327:1420–1425.
5. Anderson GP: Formoterol: pharmacology, molecular basis of agonism, and mechanism of long duration of a highly potent and selective beta2-adrenoceptor agonist bronchodilator. Life Sci 1993, 52:2145–2160.