New psychometric data from the Spanish versions of the Glasgow Dyspepsia Severity Score and the Dyspepsia-Related Health Scale measures

by Miren Orive, Ane Anton-Ladislao, Nerea González, Begoña Matellanes, Jesús-Ángel Padierna, José-Luis Cabriada, Aitor Orive, Víctor-Manuel Orive, Jose-María Quintana