| http://www.w3.org/ns/prov#value | - The apparatus for selectively engaging a layer of claim 22, 23, 24, or 26, wherein the organ is a stomach having a wall with at least three layers including an innermost layer or mucosa, muscularis, and outermost layer or serosa and one of the muscularis and the outermost layer of the stomach wall is selectively engaged. 30.
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