TY - GEN AU - DEREVICI,A AU - BRONITKI,A AU - PETRESCU,A TI - [Biological aspects of influenza virus strains isolated in the R.P.R. Comparison with the strains isolated during the epidemic in February-March 1959] SN - 0039-3975 PY - 1998///1101 KW - Epidemics KW - Humans KW - Orthomyxoviridae N1 - Publication Type: Journal Article ER -