Shigella surveillance in Czechoslovakia.
D000818:Animals; D002648:Child; D003604:Czechoslovakia; D004196:Disease Outbreaks / Q000453:epidemiology; D004405:Dysentery, Bacillary / Q000453:epidemiology; D000882:Haplorhini; D006801:Humans; D012760:Shigella / Q000302:isolation & purification*; D012763:Shigella flexneri / Q000302:isolation & purification; D012764:Shigella sonnei / Q000302:isolation & purification; D013997:Time Factors