Byun, E. J., Heo, J., Cho, S. H., Lee, J. D., & Kim, H. S. (2017). Suboptimal vitamin D status in Korean adolescents: A nationwide study on its prevalence, risk factors including cotinine-verified smoking status and association with atopic dermatitis and asthma. BMJ Open.

Byun, Eun Jung, Jinyoung Heo, Sang Hyun Cho, Jeong Deuk Lee, e Hei Sung Kim. "Suboptimal Vitamin D Status in Korean Adolescents: A Nationwide Study On Its Prevalence, Risk Factors Including Cotinine-verified Smoking Status and Association With Atopic Dermatitis and Asthma." BMJ Open 2017.

Byun, Eun Jung, et al. "Suboptimal Vitamin D Status in Korean Adolescents: A Nationwide Study On Its Prevalence, Risk Factors Including Cotinine-verified Smoking Status and Association With Atopic Dermatitis and Asthma." BMJ Open 2017.