prov:value
| - The tissue-damaging agent may comprise a liquid, a gas, or both liquid and gas, such as in the embodiment discussed above in connection with FIGS. 20A???20C. For example, the tissue-damaging agent may comprises a fluid ablating agent selected from the group consisting of alcohols (e.g., ethanol), hypertonic saline (e.g., 10???25% wt./vol.), thermally-ablating agents, sclerosing agents, and necroti
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