Fig. 8From: Bacteria-driven hypoxia targeting delivery of chemotherapeutic drug proving outcome of breast cancerIn vivo biocompatibility evaluation. A Hematoxylin and eosin staining of tumor tissues and major organs (including heart, liver, spleen, lung and kidney) after treatment as indicated. Scale bar, 50 μm. B Masson staining of heart after treatment as indicated. Scale bar, 50 μmBack to article page