TY - GEN AU - CASALS,J TI - Antigenic relationship between Powassan and Russian spring-summer encephalitis viruses SN - 0008-4409 PY - 1998///1101 KW - Encephalitis KW - Encephalitis Viruses, Tick-Borne KW - Encephalitis, Arbovirus KW - virology KW - Encephalitis, Tick-Borne KW - Epidemics N1 - Publication Type: Journal Article ER -