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Evaluation of the Performance Properties of the Influenza Patient-Reported Outcomes Instrument (Flu-Pro)

(2016) JH Powers et al.   VALUE IN HEALTH

Development of the Flu-PRO: a patient-reported outcome (PRO) instrument to evaluate symptoms of influenza

(2015) John H. Powers et al.   BMC INFECTIOUS DISEASES

Prevalence of gastrointestinal symptoms in patients with influenza, clinical significance, and pathophysiology of human influenza viruses in faecal samples: what do we know?

(2015) Laetitia Minodier et al.   Virology Journal

Comparison of the Detection of Influenza A and B Viruses by Different Methods

(2013) M Özdemir et al.   JOURNAL OF INTERNATIONAL MEDICAL RESEARCH

Development and Validation of the Influenza Intensity and Impact Questionnaire (FluiiQ™)

(2011) Richard H. Osborne et al.   VALUE IN HEALTH

Use of Existing Patient-Reported Outcome (PRO) Instruments and Their Modification: The ISPOR Good Research Practices for Evaluating and Documenting Content Validity for the Use of Existing Instruments and Their Modification PRO Task Force Report

(2009) Margaret Rothman et al.   VALUE IN HEALTH