الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65d6f93c9137136dcbd9a898636b9f69Testhttps://doi.org/10.1046/j.1365-2168.2002.02190.xTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::014bc330e71f0cfcc5a67675550ce847Testhttps://doi.org/10.1002/bjs.4961Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::808f0b307d909c2be87fbc368561f459Testhttps://doi.org/10.1002/bjs.1800791203Test