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The variations in particle sizes and zeta potentials of (A) Lipo-PEG/Apa and (B) cRGD-Lipo-PEG/Apa over 12 days.
Abbreviations: PDI, polydispersity index; PEG, polyethylene glycol; Apa, apatinib; Lipo, liposomes; cRGD, cyclic arginylglycylaspartic acid.
