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. 1998 Sep;153(3):973–983. doi: 10.1016/s0002-9440(10)65639-8

Figure 2.

Figure 2.

Immunohistochemical staining of human breast cancer tissues using the avidin-biotin-peroxidase complex procedure (original magnification, ×100). A: Invasive ductal carcinoma with positive MRP-1/CD9 expression. B: Invasive ductal carcinoma with lower MRP-1/CD9 expression classified as negative MRP-1/CD9 expression. C: Invasive ductal carcinoma with negative MRP-1/CD9 expression. D: Invasive ductal carcinoma with positive KAI1/CD82 expression. E: Invasive ductal carcinoma with lower KAI1/CD82 expression classified as negative KAI1/CD82 expression. F: Invasive ductal carcinoma with negative KAI1/CD82 expression.