http://www.w3.org/ns/prov#value | - FIG. 4 is a graph comparing in vivo release in rats of erythropoietin for four different EPO/PLGA matrix continuous release devices: microspheres produced according to the method of Gombotz et al.; a wafer prepared by the compression of microspheres prepared according to the method of Gombotz et al.; a wafer prepared by compression of microparticles of the present invention; and a wafer prepared b
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