Early pathologic changes in ulcerative colitis. Their relation to surgical complications.
D000293:Adolescent; D000371:Agglutination; D001706:Biopsy; D001792:Blood Platelets; D002648:Child; D002675:Child, Preschool; D003082:Colectomy; D003093:Colitis, Ulcerative / Q000473:pathology* / Q000601:surgery*; D005260:Female; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology; D008297:Male; D008854:Microscopy, Electron