Unusual particles in human plasma from leukemia and lymphosarcoma.
D000328:Adult; D006801:Humans; D007945:Leukemia, Lymphoid / Q000097:blood*; D008228:Lymphoma, Non-Hodgkin / Q000097:blood*; D008854:Microscopy, Electron; D012190:Retroviridae / Q000302:isolation & purification*; D014461:Ultracentrifugation