9Mahadeva S, Chan WK, Mohazmi, et al. Validation study of theLeeds Dyspepsia Questionnaire in a multiethnic Asian population[J]. J Gastroenterol Hepatol,2011,26( 11), 1669 -1676.
10Catta L,Moayyedi P,Tosetti C,et al, A validation study of the Ital-ian Short - Form Leeds Dyspepsia Questionnaire [ J ]. Intem EmergMed,2010,5(6),501 -506.