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Hong YC, Leem JH, Ha EH, Christiani DC.Hong YC, et al. Among authors: ha eh.Environ Health Perspect. 1999 Nov;107(11):873-8. doi: 10.1289/ehp.99107873.Environ Health Perspect. 1999.PMID: 10544154Free PMC article.
Hong YC, Leem JH, Ha EH.Hong YC, et al. Among authors: ha eh.J Korean Med Sci. 1999 Jun;14(3):239-44. doi: 10.3346/jkms.1999.14.3.239.J Korean Med Sci. 1999.PMID: 10402164Free PMC article.
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