Weekly Working Hours and Serum Vitamin D 3 Levels Among Korean Wage Workers : Evidence From KNHANES 2022-2023

Young Hoon Cho1, Joonho Ahn

  • 1From the Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea (Y.H.C.); and Department of Occupational and Environmental Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea (J.A.).

Abstract

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