title: Subclassification of enteroviruses and ECHO virus type 34. Brief report.
mesh_terms: D003168:Complement Fixation Tests; D003968:Diarrhea, Infantile / Q000382:microbiology; D004770:Enterovirus / Q000145:classification* / Q000276:immunology; D029822:Enterovirus B, Human / Q000145:classification* / Q000276:immunology / Q000302:isolation & purification; D005779:Immunodiffusion; D009500:Neutralization Tests