title: [Water supply in rural and semi-urban communities; sanitary problems].
mesh_terms: D008722:Methods; D012423:Rural Health; D012424:Rural Population; D012498:Sanitary Engineering; D013030:Spain; D014505:Urban Population; D014881:Water Supply
vernacular_title: Los abastecimientos de aguas en las comunidades rurales y semiurbanas; problemática sanitaria.