Strine, T.W., et al. (2008) Impact of depression and anxiety on quality of life, health behaviors, and asthma control among adults in the United States with asthma, 2006. Journal of Asthma, 45, 123-133.
 Ford, E.S., et al. (2004) Determinants of quality of life among people with asthma: Findings from the behavioral risk factor surveillance system. Journal of Asthma, 41, 327-336. http://dx.doi.org/10.1081/JAS-120026090
 Jung, Y. and Lee, H. (2011) Chronic obstructive pulmonary disease in Korea: Prevalence, risk factors, and quality of life. Journal of Korean Academy of Nursing, 41, 149-156. http://dx.doi.org/10.4040/jkan.2011.41.2.149
 Oh, E.G., et al. (2010) Health behaviour and quality of life in Korean adults with respiratory disease: National health survey, 2005. International Journal of Tuberculosis & Lung Disease, 14, 772-778.
 Baibergenova, A., et al. (2006) Sex differences in hospital admissions from emergency departments in asthmatic adults: A population-based study. Ann Allergy Asthma Immunology, 96, 666-672.
 Chhabra, S. and Chhabra, P. (2011) Gender differences in perception of dyspnea, assessment of control, and quality of life in asthma. Journal of Asthma, 48, 609-615.
 Katsura, H., et al. (2007) Gender-associated differences in dyspnoea and health-related quality of life in patients with chronic obstructive pulmonary disease. Respirology, 12, 427-432.
 Leynaert, B., et al. (2012) Gender differences in prevalence, diagnosis and incidence of allergic and non-allergic asthma: A population-based cohort. Thorax, 67, 625-631. http://dx.doi.org/10.1136/thoraxjnl-2011-201249
 Tovt-Korshynska, M., et al. (2001) Gender differences in psychological distress in adults with asthma. Journal of Psychosomatic Research, 51, 629-637.
 Sung, G. (2007) Study on relationships between depresssion and the quality of life (EQ-5D): Centered on the subjects of “Survey on national health and nutrition the forth period the first year”. Master Thesis, Yonsei University, Seoul.
 Sinclair, A. and Tolsma, D. (2006) Gender differences in asthma experience and disease care in a managed care organization. Journal of Asthma, 43, 363-367.