(("defecate in the open" OR "defecation in the open" OR "open defecation" OR "defecacao ao ar livre" OR "defecacao na natureza" OR "defecacion al aire libre" OR ((ti:(defecation OR defecacion OR defecacao OR defecar) OR mh:defecacion) (mh:Poverty OR mh:"Developing Countries" OR "Low income countries" OR "paises de baixa renda" OR "países de bajos ingresos" OR "open spaces" OR "areas abertas" OR "open area" OR mh:"Rural Sanitation" OR "rural areas" OR "open areas" OR "House Installations" OR "Instalaciones Domiciliarias" OR "Instalações Domiciliares" OR "Household Sanitation" OR mh:sanitation OR sanitation OR saneamiento OR saneamento OR "Populacao Rural" OR "Rural Areas" OR "Medio Rural" OR "Zona Rural" OR "Espaço Rural" OR "Meio Rural" OR "Zonas Rurais" OR "area Rural" OR "areas Rurais" OR "Rural Area" OR "Rural Zone" OR "Rural Zones" OR "Espacio Rural" OR "Zona Rural" OR "Zonas Rurales" OR "Área Rural" OR "Áreas Rurales" OR mh:("Enfermedades Desatendidas" OR Helmintiasis OR Elefantiasis OR Oncocercosis OR Esquistosomiasis))) OR (ti:(defecation OR defecacion OR defecacao OR defecar) (((area* OR ambiente*) (open OR aberta* OR aberto* OR abiert*)) OR ("aire libre" OR "ar livre" OR "espacos abertos" OR "espacios abiertos")))) AND NOT ((mh:animals AND NOT mh:humans) OR mh:("Diarrhea" OR Hemorrhoid*) OR ti:(panda OR veterinar* OR animal*)))