| http://www.w3.org/ns/prov#value | - The use of the tube would permit extended treatment times and would even permit different treatment agents to be used in the same target tissue. [0064] Alternatively, instead of having external driving means, the patch may include an internal power supply, such as a battery, which would provide the driving means to enable the patch to be used for iontophoresis, electroporation or both.
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