The role of age in the protection of appendicectomy against ulcerative colitis.
G L
GL
Adani
U
U
Baccarani
A
A
Risaliti
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001062:Appendectomy; D003093:Colitis, Ulcerative / Q000517:prevention & control*; D006801:Humans