In vitro cultivation and immunofluorescent studies of transplantable carcinomas Vx2 and Vx7. Persistence of a Shope virus-related antigenic substance in the cells of both tumors.

In vitro cultivation and immunofluorescent studies of transplantable carcinomas Vx2 and Vx7. Persistence of a Shope virus-related antigenic substance in the cells of both tumors.