DE BRUYN, W M A lymphopenia-causing agent, probably a virus, found in mice after injection with tumor tissue and with the cell-free filtrates of lymphosarcoma T 86157 (MB). [electronic resource] - Cancer research Jul 1949 - 395-7 p. digital Publication Type: Journal Article ISSN: 0008-5472 Subjects--Topical Terms: AnimalsLymphLymphomaLymphoma, Non-HodgkinLymphopeniaMiceNeoplasmsSarcoma