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Typical TEM micrographs of (A) mPEG-P(LA12-co-GA9)2 and (C) mPEG-P (LA24-co-GA8)2, and Rh of (B) (a) mPEG-P(LA4-co-GA9)2, (b) mPEG-P(LA12-co-GA9)2, and (c) mPEG-P(LA45-co-GA15)2, and (D) mPEG-P(LA24-co-GA8)2.
Abbreviations: TEM, transmission electron microscopy; Rh, hydrodynamic radius; mPEG, monomethoxy poly(ethylene glycol); P(LA-co-GA), poly(L-lactide-co- glycolide).
