title: [Increase of leukemogenic activity after precipitation by polyethylene glycol of Friend virus].
mesh_terms: D000818:Animals; D011232:Chemical Precipitation; D003080:Cold Temperature; D005622:Friend murine leukemia virus / Q000472:pathogenicity*; D006018:Glycols; D007942:Leukemia, Experimental; D051379:Mice; D013154:Spleen / Q000382:microbiology; D014020:Tissue Extracts
chemical_list: D006018:Glycols; D014020:Tissue Extracts
vernacular_title: Augmentation de l'activité leucémogène après précpiitation par le polyéthylene glycol du virus de Friend.