[Survey on the Campylobacter jejuni carrier state in healthy children in rural areas].
D002169:Campylobacter Infections / Q000453:epidemiology*; D002168:Campylobacter fetus / Q000302:isolation & purification; D002353:Carrier State / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D002681:China; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D012423:Rural Health