Sonne dysentery in day schools and nurseries: an eighteen-year study in Edmonton.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004405:Dysentery, Bacillary / Q000453:epidemiology* / Q000517:prevention & control; D006801:Humans; D006920:Hygiene; D008131:London; D012574:Schools; D012578:Schools, Nursery; D012621:Seasons; D014038:Toilet Facilities