الوصول الحر: https://www.europeana.eu/item/2048441/item_H5VM4KK6B6Y43WGR6AQIIG42QH2AHSBX?utm_source=api&utm_medium=api&utm_campaign=YuvuWBeCaTest
الإتاحة: https://doi.org/10.1007/s12032-012-0255-3Testhttps://opus.bibliothek.uni-wuerzburg.de/frontdoor/index/index/docId/12683Testhttps://nbn-resolving.org/urn:nbn:de:bvb:20-opus-126834Testhttps://opus.bibliothek.uni-wuerzburg.de/files/12683/Tomei_Medical_Oncology.pdfTest
الإتاحة: http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-126834Test