TY - GEN AU - Drozdov,S G AU - Kazantseva,V A TI - [Pathogenic viruses and the problem of environmental protection] SN - 0002-3027 PY - 1981///0925 KW - Enterovirus KW - isolation & purification KW - Enterovirus Infections KW - transmission KW - Humans KW - USSR KW - Water Microbiology N1 - Publication Type: English Abstract; Journal Article ER -