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Association Between Self‐Reported Sleep Duration and Serum Vitamin D Level in Elderly Korean Adults |
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| Authors: | Dong Young Kim MD Ju Wan Kang MD |
| Affiliation: | 1. Department of Otorhinolaryngology, School of Medicine, Jeju National University, , Jeju, Korea;2. Department of Otorhinolaryngology, College of Medicine, Yonsei University, , Seoul, Korea |
| Abstract: | |
| Keywords: | vitamin D sleep duration elderly |