CJCP     2011 13 (3):  181-184    ISSN: 1008-8830  CN: 43-1301/R Serum levels of HIF-1α, ET-1 and Ca2+ in neonates with hypoxic pulmonary hypertension ZHOU Ying, WANG Le, LI Ming-Xia Department of Neonatology, First Affiliated Hospital, Xinjiang Medical University, Urumiq 830054, China. Email: limingxia1203@sohu.com Received: null  Revised: null  Online: null Supporting info