9.Welsh EJ, Bara A, Barley E, Cates CJ. Caffeine for asthma. Cochrane Database Syst Rev. 2010 Jan 20;(1):CD001112. http://www.ncbi.nlm.nih.gov/pubmed/20091514
10.National Heart, Lung, and Blood Institute (NHLBI). Expert Panel Report 3: Guidelines for the Diagnosis and Management of Asthma. Bethesda, MD: NHLBI; August 2007. http://www.ncbi.nlm.nih.gov/books/NBK7232/pdf/TOC.pdf
11.Gauer RL, O\’Connor FG. Department of Family Medicine Uniformed Services University of the Health Sciences. How To Write An Exercise Prescription. http://www.move.va.gov/download/Resources/CHPPM_How_To_Write_And_Exercise_Prescription.pdf
12.Guo CH, Liu PJ, Lin KP, Chen PC. Nutritional supplement therapy improves oxidative stress, immune response, pulmonary function, and quality of life in allergic asthma patients: an open-label pilot study. Altern Med Rev. 2012 Mar;17(1):42-56. http://www.altmedrev.com/publications/17/1/42.pdf