CJCP     1999 1 (1):  1-3    ISSN: 1008-8830  CN: 43-1301/R Changes and significance of nitric oxide and endothelin-1 in blood of newborns with pulmonary hemorrhage LI Juan, WEI Ke-Lun, LI Shu-Qin Department of Pediatrics of 2nd Clinical Hospital, Cjina Medical University, Shenyang, China 110003 Received: null  Revised: null  Online: null Supporting info