Friend murine leukemia virus |
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| Rowson Parr Virus; Virus, Friend; Virus, Rowson-Parr | |
| A strain of Murine leukemia virus (LEUKEMIA VIRUS, MURINE) producing leukemia of the reticulum-cell type with massive infiltration of liver, spleen, and bone marrow. It infects DBA/2 and Swiss mice. | |