CJCP     2007 9 (4):  293-296    ISSN: 1008-8830  CN: 43-1301/R A preliminary study on diagnosis and grading of hypoxic-ischemic brain damage of premature infants CHANG Li-Wen, LIU Jing, LI Wen-Bin Department of Pediatrics, Tongji Hospital Affilitiated to Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China. Received: null  Revised: null  Online: null Supporting info