Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Milan R. Amin and Gregory N. Postma and Paul Johnson and Nicholas Digges and James A. Koufman,Proton Pump Inhibitor Resistance in the Treatment of Laryngopharyngeal Reflux,Otolaryngology–Head and Neck Surgery,0194-5998,Wiley,2001-10,125,4,374-378,https://cir.nii.ac.jp/crid/1364233268460366208,https://doi.org/10.1067/mhn.2001.118691