"I thought there could be a better way to apply liquid nitrogen or liquid nitrous oxide to the affected area during cryotherapy," said an inventor, from Dublin, Ohio, "so I invented the PRE CANCEROUS ...
The MarketWatch News Department was not involved in the creation of this content. PITTSBURGH, Jan. 21, 2026 /PRNewswire/ -- "I thought there could be a better way to apply liquid nitrogen or liquid ...
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