{"infobox":{"dc_creator":"WooScraper_v1","dc_date_year":1999,"dc_identifier":"nl.oorg10123.2j.1999.239","dc_publisher":"oorg10123","dc_publisher_name":"Rijksinstituut voor Volksgezondheid en Milieu","dc_source":"https://www.rivm.nl/publicaties/ending-polio-immunization-when-and-how-are-we-sure-that-needle-is-out-of-haystack","dc_title":"Ending polio immunization: when and how are we sure that the needle is out of the haystack? | RIVM","dc_type":"2j","dc_type_description":"2j - Onderzoek","foi_extraMetadata":{},"foi_files":[],"foi_isWoo":"Ja","foi_page_title":"Onderzoek Rijksinstituut voor Volksgezondheid en Milieu","foi_publishedDate":"1999-03-25","foi_retrievedDate":"2024-12-01","tooiwl_type":"c_fdaee95e"},"resource":"nl.oorg10123.2j.1999.239"}