3619742 LPR-HRQL laryngopharyngeal reflux-health-related quality of life 4 3619741 LPR-HRQL laryngopharyngeal reflux health-related QOL 3 3619743 LPR-HRQL Laryngopharyngeal Reflux-Health Related Quality of Life questionnaire 2 3619744 LPR-HRQL LPR-health-related quality-of-life 1