P0720 INCIDENCE AND PRESENTATION OF PEDIATRIC INFLAMMATORY BOWEL DISEASE (IBD) AT DIAGNOSIS. A PROSPECTIVE POPULATION-BASED STUDY IN NORTHERN FRANCE (1988???1999)
2004 ◽
Vol 39
(Supplement 1)
◽
pp. S331
◽
2005 ◽
Vol 41
(1)
◽
pp. 49-55
◽