Development and psychometric evaluation of the patient assessment of upper gastrointestinal symptom severity index (PAGI-SYM) in patients with upper gastrointestinal disorders
Development and psychometric evaluation of the patient assessment of upper gastrointestinal symptom severity index (PAGI-SYM) in patients with upper gastrointestinal disorders
Auteurs
A.M. Rentz
P. Kahrilas
V. Stanghellini
J. Tack
N.J. Talley
C. De la loge
E. Trudeau
D. Dubois
D.A. Revicki