الوصول الحر: https://explore.openaire.eu/search/publication?articleId=jairo_______::c447cbc07e8cb78ab966aed409be268fTesthttps://seisa.repo.nii.ac.jp/records/346Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=jairo_______::1fcb435710d80386d70bf364ed576c4eTesthttps://ir.jikei.ac.jp/records/15262Test
الإتاحة: https://doi.org/10.2139/ssrn.4586094Test
الإتاحة: http://www.biomedcentral.com/1471-2474/16/269Test
الوصول الحر: http://www.emeraldinsight.com/doi/10.1016/S0573-8555Test(07)81010-8
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::c41e5b7216c349ff32457f6fb1860592Testhttps://doi.org/10.33425/2639-9474.1081Test
الإتاحة: https://doi.org/10.1007/s12185-019-02773-0Test