title: Epidemiological and bacteriological studies on an outbreak of Sh. sonnei.
mesh_terms: D002648:Child; D002675:Child, Preschool; D004405:Dysentery, Bacillary / Q000453:epidemiology* / Q000382:microbiology; D006801:Humans; D007564:Japan; D012764:Shigella sonnei / Q000302:isolation & purification*