FecesHelicobacter pyloriHelicobacter InfectionsSensitivity and SpecificityAntigens, BacterialDiarrheaDefecationGastroenteritisIntestinal Diseases, ParasiticParasite Egg CountConstipationDiarrhea, InfantileGiardiasisMicrosporidiosisRotavirus InfectionsEntamoebaClostridium difficileRotavirusCryptosporidiosisMicrosporidaBlastocystis hominisParasitologyProtozoan InfectionsShigellaMethyl GreenClostridium InfectionsCatharticsEnterocolitis, PseudomembranousGastrointestinal TransitDysentery, BacillaryCryptosporidiumGiardia lambliaEntamoebiasisBlastocystis InfectionsCholeraNorovirusBacteriological TechniquesStrongyloides stercoralisLaxativesEnterocytozoonPolymerase Chain ReactionDysentery, AmebicEscherichia coli InfectionsDientamoebaStrongyloidiasisGiardiaEntamoeba histolyticaCampylobacter InfectionsHelminthiasisHelminthsAscaris lumbricoidesAncylostomatoideaBacterial ToxinsCampylobacterDisease OutbreaksSenna ExtractInfant, NewbornAntidiarrhealsTrichurisFecal IncontinenceAnthelminticsColonic Diseases, FunctionalRectumSalmonellaEvaluation Studies as TopicPrevalenceOccult BloodEnterotoxinsRehydration SolutionsBlastocystisParasitic DiseasesReagent Kits, DiagnosticAstroviridae InfectionsSpecimen HandlingCryptosporidium parvumIrritable Bowel SyndromeCaliciviridaeColonEncephalitozoonAscariasisAdenovirus Infections, HumanCyclosporaDysenteryEnzyme-Linked Immunosorbent AssayCulture MediaHookworm InfectionsSerotypingAbdominal Pain