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Figure 2: Pemphigus foliaceus with sub granular layer blister (a; H and E, ×400) and immunoglobulin G4 immunoreactivity in intercellular junction (b; immunohistochemistry, ×400)

Figure 2: Pemphigus foliaceus with sub granular layer blister (a; H and E, ×400) and immunoglobulin G4 immunoreactivity in intercellular junction (b; immunohistochemistry, ×400)