Vitamin D Status of Preterm Newborns at Approximately 4 Weeks of Age in Shenzhen, China: A Retrospective Observational Cohort Study Conducted Across Two Centers

Guo Y, Yu Z, Tu H, Zheng B, Li J, Liu Y

Research and Reports in Neonatology 2024, 14:59-66

Published Date: 6 March 2024