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SEM image of PLGA microparticles loaded with BCNU. The particles were formed using the solvent extraction/evaporation method. Average sphere diameter is 30 mm. Reprinted with permission from Elsevier. Painbeni T, et al., Internal morphology of poly(D,L-lactide-co-glycolide) BCNU-loaded microspheres. Influence on drug stability. European Journal of Pharmaceutics and Biopharmaceutics. 1998;45:31-9.
