?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S&rft.au=Fielding%2C+S&rft.aulast=Fielding&rft.volume=155&rft.atitle=%5BValue+and+Timing+of+Repeat+Spirometry+or+Feno+in+Children%3A+With+Asthma+Remains+Unclear%5D%3A+Response&rft.issue=6&rft.date=June+2019&rft.pages=1313-1314&rft.title=Chest&rft.genre=article