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(A) and (B) The distribution of rhodamine-labeled GE11-TLs and PLs in the regions of tumor angiogenesis of SMMC7721 xenograft after i.v. injection for 1 h. (C) and (D) Images captured after i.v. injection of type I collagenase for 1 h. Blue: nuclei; green: tumor angiogenesis; red: rhodamine-labeled GE11-TLs or PLs; white: stromal cell. Scale bar: 20 μm.
