Study on Vitamin D Levels of Maternal and Umbilical Cord Blood in Overweight/Obese and Nonobese Pregnant Women with Gestational Diabetes

MIAO Jun，WANG Hui-yan，SHE Guang-tong，LIU Ke-zhuo

Journal of International Obstetrics and Gynecology . 2019, (6): 645 -648 .