IOIBD report no 1: Observer variation in calculating indices of severity and activity in Crohn's disease. International Organisation for the Study of Inflammatory Bowel Disease.
de Dombal, F T, Softley, AVolume:
28
Language:
english
Journal:
Gut
DOI:
10.1136/gut.28.4.474
Date:
April, 1987
File:
PDF, 989 KB
english, 1987