TITLE     : Assessment and Diagnostic Accuracy Evaluation of the Reflux Symptom Index (RSI) Scale: Psychometric Properties using Optimal Scaling Techniques
AUTHOR(S) : Nacci A, Bastiani L, Barillari Mr, Lechien Jr, Martinelli M, De Bortoli N, Berrettini S, Fattori B
TYPE      : Journal article
YEAR      : 2020
CODE      : 423147

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