| http://www.w3.org/ns/prov#value | - Of particular interest are the techniques described in U.S. Pat. No. 4,898,734 (Mathiowitz et al.) in which spheres are formed by interfacial polymerization, hot melt microencapsulation, solvent removal, solvent evaporation and other methods further described by Mathiowitz et al. in Photochemical Rupture Of Microcapsules: A Model System, J. App. polym.
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