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In vitro release behaviors of rhEPO-loaded PEG–PLA micelles (Table 2, batch 11, 15, and 16) in PBS (n = 3).
Abbreviations: PEG–PLA, poly(ethylene glycol)–poly(d,l-lactide); rhEPO, recombinant human erythropoietin; PBS, phosphate buffered saline.
