New oncogenic virus producing acute lymphatic leukemia in guinea pigs.
D000818:Animals; D002474:Cell-Free System; D006168:Guinea Pigs; D007942:Leukemia, Experimental / Q000382:microbiology*; D007945:Leukemia, Lymphoid / Q000473:pathology*; D008854:Microscopy, Electron; D009368:Neoplasm Transplantation; D012190:Retroviridae / Q000302:isolation & purification*