CJCP     2013 15 (9):  718-722    ISSN: 1008-8830  CN: 43-1301/R Changes in plasma levels of atrial natriuretic peptide, endothelin-1 and von Willebrand factor among newborns with persistent pulmonary hypertension YAO Ai-Min, HAO Ya-Ping, ZHANG Jie, SUN Xue-Jiang, WANG Hong-Ying, LI Bin, LI Jian-Ling Department of Neonatology, Maternal and Child Health Care Hospital of Baoding, Baoding 071000, China Received: 2013-01-29  Revised: 2013-02-25  Online: null Supporting info