CJCP     2014 16 (11):  1118-1121    ISSN: 1008-8830  CN: 43-1301/R Cellular and humoral immunity in preterm infants of different gestational ages LI Yan, WEI Qiu-Fen, PAN Xin-Nian, MENG Dan-Hua, LIU Xian-Zhi, XU Jing, WEI Wei Department of Neonatology, Guangxi Women and Children's Health Hospital, Nanning 530003, China Received: 2014-03-31  Revised: 2014-06-10  Online: null Supporting info