title: Unusual endoscopic appearance of collagenous colitis.
authors.forename: D N
authors.initials: DN
authors.lastname: Smiley
authors.forename: J
authors.initials: J
authors.lastname: Barkin
mesh_terms: D001706:Biopsy; D003092:Colitis / Q000473:pathology*; D003094:Collagen / Q000378:metabolism*; D003106:Colon / Q000473:pathology; D003113:Colonoscopy; D005260:Female; D006801:Humans; D008875:Middle Aged
chemical_list: D003094:Collagen