CJCP     2001 3 (3):  232-235    ISSN: 1008-8830  CN: 43-1301/R Effect of Hyperoxia on Nitric Oxide Synthase Expression in the Lung of Preterm Rats MA Li-Ya, CHANG Li-Wen, QUAN Yu-Feng Department of Pediatrics, Tongji Hospital, Huazhong University of Science and Technology, Wuhan 430030, China Received: null  Revised: null  Online: null Supporting info