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E2 binding to liver tissue. (a to d) Representative liver sections stained with E2 and anti-E2 MAb; (e) as above except that E2 was preincubated with soluble CD81 LEL domain; (f) negative control stained only with anti-E2 MAb. Magnifications: a and b, ×100; c, e, and f, ×250; d, ×400.
