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Visualization of CF-loaded liposomes by cryo-electron microscopy. (a) CF-CL, (b) CF-FL1, (c) CF-FL2, and (d) CF-FL3. Black short arrows represent unilamellar vesicles; black arrows of length represent multilamellar vesicles, white short arrows represent deformed vesicles while white long arrows represent bilamellar vesicles.
