- 1、ResultsPhotosensitivevirusinactivator(PVI)mainlyconsistsofMBsprayer,LEDcircuitandLEDlightingmatrix.2、ThelatestresearchevaluatedanewapproachtoPVIinwhichcryothermalenergywasappliedviaaballooncatheter.3、Portalvenousvelocityindex(PVI)wasdefinedasthe...
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