lnfluence of different nutrition ways to growth and gastrointestinal hormone in premature infants.
GAO Gai-lan, LIU Li, TANG Shu-bin, LI Jie, LI Wei-na, YANG Yan.
journal1 . 2015, (5): 519 -521 .  DOI: 10.11852/zgetbjzz2015-23-05-23