Effectiveness of diarrhoeal diseases surveillance by village health volunteer.
D000293:Adolescent; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003967:Diarrhea / Q000453:epidemiology*; D006801:Humans; D007223:Infant; D008875:Middle Aged; D011159:Population Surveillance; D013785:Thailand; D014838:Volunteers