title: Virological and epidemiological survey of acute spinal analysis in Rumania, 1970-1973. I. Laboratory analysis of cases with residual disability.
mesh_terms: D004770:Enterovirus / Q000302:isolation & purification; D006801:Humans; D010507:Periodicity; D011051:Poliomyelitis / Q000453:epidemiology* / Q000382:microbiology; D017955:Poliovirus / Q000302:isolation & purification*; D012383:Romania; D012722:Sewage
chemical_list: D012722:Sewage