The effects of oral droplet colostrum during early mechanical ventilation in premature infants with extremely low birth weight
LI Yumei, PAN Yingjie, CHEN Yingying, CHEN Xiaochun
Chinese Journal of Nursing . 2020, (6): 884 -888 .  DOI: 10.3761/j.issn.0254-1769.2020.06.017