title: A new virus of minimal pathogenicity associated with Friend virus. II. Histological changes and immunodepressive effect.
mesh_terms: D000818:Animals; D003588:Cytopathogenic Effect, Viral; D004912:Erythrocytes; D005260:Female; D005622:Friend murine leukemia virus; D009052:Leukemia Virus, Murine / Q000472:pathogenicity*; D008099:Liver / Q000473:pathology; D008198:Lymph Nodes / Q000473:pathology; D008297:Male; D051379:Mice; D012526:Satellite Viruses / Q000472:pathogenicity; D012756:Sheep; D013154:Spleen / Q000473:pathology; D013997:Time Factors