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Histology. Hematoxylin and eosin staining of the rat hind limb muscle following ultrasound-targeted microbubble cavitation (UTMC) treatment with microbubbles (MBs), fibrin-targeted microbubbles (FTMBs), phase shift microbubbles (PSMBs), and fibrin-targeted phase shift microbubbles (FTPSMBs). Black arrows indicate microvascular patency compared to matching control; red arrows represent occluded microvessels. Scale bar = 200 μm.
