Efficacy and safety of lactase additive in preterm infants with lactose intolerance: a prospective randomized controlled trial
WANG Li, WANG Yi-Wen, TAN Jin-Tong, YAN Jie, WU Yan, WANG Xin-Meng, YANG Wen-Zhi, QIAN Ji-Hong
CJCP . 2021, (7): 671 -676 .  DOI: 10.7499/j.issn.1008-8830.2102038