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Holzer M, Vogel V, Mäntele W, Schwartz D, Haase W, Langer K. Physico-chemical characterisation of PLGA nanoparticles after freeze-drying and storage. European Journal of Pharmaceutics and Biopharmaceutics. 2009 Jun;72(2):428–37. doi: 10.1016/j.ejpb.2009.02.002. |