CJCP     2012 14 (3):  236-240    ISSN: 1008-8830  CN: 43-1301/R Progress in pharmacotherapy of pulmonary arterial hypertension in children YU Yan-Ping, HUANG Xian-Mei Department of Pediatrics, First People's Hospital of Hangzhou, Hangzhou 310006, China. yyp757605@163.com Received: null  Revised: null  Online: null Supporting info