Distribution of activated complement, C3b, and its degraded fragments, iC3b/C3dg, in the colonic mucosa of ulcerative colitis (UC)

T. Ueki, M. Mizuno, T. Uesu, T. Kiso, J. Nasu, T. Inaba, Y. Kihara, Y. Matsuoka, H. Okada, T. Fujita, T. Tsuji