title: [Discovery of the ECHO-7 virus in cases clinically diagnosed as paralytic poliomyelitis].
mesh_terms: D029822:Enterovirus B, Human; D006801:Humans; D011051:Poliomyelitis; D011052:Poliomyelitis, Bulbar / Q000175:diagnosis*; D014777:Virus Diseases / Q000175:diagnosis*
keywords: POLIOMYELITIS, BULBAR/diagnosis; VIRUS DISEASES/diagnosis