DUBLIN, Ohio--(BUSINESS WIRE)--Neoprobe Corporation (OTCBB:NEOP), a diversified developer of innovative oncology and cardiovascular surgical and diagnostic products, announced today it has signed a term sheet with Cardinal Health for the marketing and distribution of Lymphoseek® on an exclusive basis in the United States through Cardinal Health’s network of over 150 nuclear pharmacies as well as their wholesale distribution operations to in-hospital nuclear pharmacies.