Appendectomy and the development of ulcerative colitis.
C M
CM
Mery
R
R
Carmona-Sánchez
J
J
Suazo-Barahona
S
S
Ponce-de León
G
G
Robles-Díaz
D001062:Appendectomy; D016022:Case-Control Studies; D003093:Colitis, Ulcerative / Q000517:prevention & control*; D005260:Female; D006801:Humans; D008297:Male; D008800:Mexico