Clinical application of fractional exhaled nitric oxide monitor in children with asthma.
LIU Yan-lin, TANG Su-ping, CHEN Shen, DONG Li, HUA Yun-han, GUO Yi-hua.
journal1 . 2014, (4): 445 -446 .  DOI: 10.11852/zgetbjzz2014-22-04-34