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<http://webisa.webdatacommons.org/296355184>	<http://www.w3.org/ns/prov#value>	"Non-metallic materials such as plastic must be used to create the radiating element segment, since metal in the field of the radiating element will disrupt the radiation pattern generated by the microwave antenna, which would result in uncontrollable and ineffective cell necrosis." .
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<http://webisa.webdatacommons.org/296355184>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .