Endoscopic biopsies.
Fiocca
R
R
Ceppa
P
P
D001706:Biopsy / Q000379:methods; D003093:Colitis, Ulcerative / Q000473:pathology*; D003106:Colon / Q000473:pathology*; D003113:Colonoscopy; D003424:Crohn Disease / Q000473:pathology*; D003937:Diagnosis, Differential; D006801:Humans; D015203:Reproducibility of Results