1. Merriam-Webster Dictionary 2014. Available from: http://www.merriam-webster.com/. Accessed September 12, 2014.
2. Lockey RF, Ledford DK, editors. Collaboration with the World Allergy Organization. Asthma, Comorbidities, Co-Existing Conditions, and Differential Diagnosis. Oxford: Oxford University Press; 2014.
3. Familial occurrence of asthma, nasal polyps, and aspirin intolerance;Lockey;Ann Intern Med,1973
4. Jancin B. Variation in admission rates from EDs raises eyebrows. Internal Medicine News Digital Network. June 23, 2014. In: July 2014, Available from: http://www.ehospitalistnews.com/home/article/variation-in-admission-rates-from-eds-raising-eyebrows/2e656b591e3f8c3187a964d9940a12d9.html. Accessed October 2, 2014.
5. A new symptom-based questionnaire for predicting the presence of asthma;Shin;J Investig Allergol Clin Immunol,2010