title: Studies on tick-borne encephalitis virus. I. Partial purification of virus from rat brain suspensions.
mesh_terms: D000818:Animals; D001921:Brain / Q000382:microbiology*; D004669:Encephalitis Viruses, Tick-Borne / Q000302:isolation & purification*; D008722:Methods; D011479:Protamines; D051381:Rats; D013307:Streptomycin; D014461:Ultracentrifugation
chemical_list: D011479:Protamines; D013307:Streptomycin