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Immunohistochemical analysis of YKL-39 and CD68 expression in intratumoral compartments of human nonspecific invasive breast carcinoma. YKL-39 was visualized using anti-YKL-39 mouse monoclonal antibody (clone 4E10). CD68 was visualized using anti-CD68 mouse monoclonal antibody (Dako, clone PG-M1). Visualization of nuclei was performed using hematoxylin. Scale bar 100 µm (× 400).
