Fig. 1From: EGFR mutation status in Tunisian non-small-cell lung cancer patients evaluated by mutation-specific immunohistochemistryImmunostaining of tumor specimens with mutation-specific antibodies illustrating the scale of intensity of staining (original magnification, 40×); a: score 0; b: score 1; c: score 2; d: score 3 and e: score 4Back to article page