CJCP     2006 8 (5):  361-364    ISSN: 1008-8830  CN: 43-1301/R Evaluation of early cognitive ability of infants born preterm by near-infrared spectroscopy HOU Xin-Lin, ZHOU Cong-Le, HUANG Lan, DING Hai-Shu, TANG Ze-Zhong, JIANG Yi Department of Biomedical Engineering, Tsinghua University, Beijing 100084, China. houxinlin66@sohu.com Received: null  Revised: null  Online: null Supporting info