| http://www.w3.org/ns/prov#value | - ting the tissue consists essentially of at least one of: taking a physical biopsy sample of at least a portion of the tissue, mechanically removing at least a portion of the tissue, performing electrosurgery on at least a portion of the tissue, delivering a drug or other chemical agent to at least a portion of the tissue, and providing photodynamic therapy to at least a portion of the tissue. 2.
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