Chumakov, M Enterovirus 71 isolated from cases of epidemic poliomyelitis-like disease in Bulgaria. [electronic resource] - Archives of virology 1979 - 329-40 p. digital Publication Type: Journal Article ISSN: 0304-8608 Standard No.: 10.1007/BF01317504 doi Subjects--Topical Terms: AdultAntibodies, Viral--analysisAntibody SpecificityBulgariaChildChild, PreschoolCross ReactionsDisease OutbreaksEnterovirus--immunologyHumansNeutralization TestsPoliomyelitis--etiologyVirus Cultivation