Pathogenicity of sialodacryoadenitis virus for rats after brain passages in suckling mice.
D000818:Animals; D001921:Brain / Q000382:microbiology*; D003332:Coronaviridae / Q000302:isolation & purification / Q000472:pathogenicity*; D051379:Mice; D008813:Mice, Inbred ICR; D051381:Rats; D012469:Salivary Glands / Q000382:microbiology