Comparative study on nutrition-related indicators in preterm infants with different follow-up    patterns from 6 to 12 months after birth
LYU Kui-lin, YU Xiu-mei, YANG Zhang-ya, YANG Wang, ZHANG Yu-ping
journal1 . 2019, (11): 1243 -1246 .  DOI: 10.11852/zgetbjzz2019-0282