Vitamin D level in umbilical cord blood of late preterm infants and the effect of vitamin D3 supplementation on the behavioral development of infants and young children: a prospective randomized controlled study
HOU Qiu-Ying, LIN Mei-Yu, YUAN Tian-Ming
CJCP . 2022, (11): 1189 -1194 .  DOI: 10.7499/j.issn.1008-8830.2206096