Relationship between serum 25-hydroxyvitamin D and chronic obstructive pulmonary disease in males in the fifth Korean national health and nutrition examination survey (제5기 국민건강영양조사 자료 중 남성에서 혈청 중 25-hydroxyvitamin D와 만성폐쇄성폐질환의 상관관계)
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- Journal of Nutrition and Health
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- v.47 no.5
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- pp.321-329
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- 2014