| http://www.w3.org/ns/prov#value | - A cryosurgical probe comprisingA. a housing, B. a hollow tip protruding from the housing, C. means defining an expansion or evaporation chamber in the tip, said means including a surface isolating said chamber from said housing, D. a refrigerant supply conduit extending through the housing and through said surface and projecting into said chamber, E. a refrigerant exhaust conduit extending through
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