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: Occurrence of severe colitis in B6 nu/nu mice inoculated with MAIDS spleen cells. A,B: B6 nu/nu mice inoculated with MAIDS spleen cells. Colitis with thickened walls and hyperplasia of the epithelial cells are observed; C-H: controls; colons of B6 nu/nu mice inoculated with B6 spleen cells (C,D), those of untreated B6 nu/nu mice (E,F), and B6 nu/nu mice infected with LP-BM5 (G,H). (Haematoxylin and eosin; original magnifications: A,C,E,G: ×16; B,D,F,H: ×160.)
