Lee, S. I., Shin, M. H., Lee, H. B., Lee, J. S., Son, B. K., Koh, Y. Y., . . . Ahn, Y. O. (2001). Prevalences of symptoms of asthma and other allergic diseases in korean children: A nationwide questionnaire survey. Korean Academy of Medical Sciences.

Lee, S. I., M. H. Shin, H. B. Lee, J. S. Lee, B. K. Son, Y. Y. Koh, K. E. Kim, och Y. O. Ahn. Prevalences of Symptoms of Asthma and Other Allergic Diseases in Korean Children: A Nationwide Questionnaire Survey. Korean Academy of Medical Sciences, 2001.

Lee, S. I., et al. Prevalences of Symptoms of Asthma and Other Allergic Diseases in Korean Children: A Nationwide Questionnaire Survey. Korean Academy of Medical Sciences, 2001.