CJCP     2017 19 (9):  979-982    ISSN: 1008-8830  CN: 43-1301/R Clinical significance of fractional exhaled nitric oxide combined with in vitro allergen test in identifying children at a high risk of asthma among those with recurrent wheezing HOU Wei-Peng, WANG Ya-Jie, QIAO Li-Hong, SHEN Hui-Li Department of Pediatrics, West Branch of Kaifeng Second People'Hospital, Kaifeng, Henan 475000, China Received: 2017-04-28  Revised: 2017-06-28  Online: null Supporting info