Abstract
Conclusion
Increased gamma globulin was demonstrated in the intestinal tract of patients with active regional ileitis and ulcerative colitis. The indirect fluorescent antibody technic revealed a gamma globulin in the serum of 3 of 25 patients with ulcerative colitis which was bound to epithelial glands of colonic mucosa and of hepatic bile ductules. Sera of normals and hospital controls did not bind to colonic mucosa.
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