prov:value
| - ased from the lumen-traveling delivery device along with the material or from a separate reservoir or other source or which may be incorporated within a component of the device for example as a coating; or by an electrical permeability enhancer, such as a voltage source for producing electroporation and/or iontophoresis, as in U.S. Pat. Nos. 6,022,316, 6,219,577, 6,512,950; or by sonophoresis or p
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