[LEUKEMIC VIRUSES IN FRANCE].
D000818:Animals; D001354:Avian Leukosis Virus; D005602:France; D009052:Leukemia Virus, Murine; D051379:Mice; D009858:Oncogenic Viruses; D014780:Viruses
AVIAN LEUKOSIS VIRUS; FRANCE; MOUSE LEUKEMIA VIRUSES; ONCOGENIC VIRUSES
LES VIRUS LEUC'EMIQUES EN FRANCE.