الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9340d6d87f4579b590fb80c842ff4c88Testhttps://doi.org/10.1002/j.1460-2075.1985.tb04133.xTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::77fde4a435d1a8a9c5c91400eb7141f4Testhttps://doi.org/10.1002/j.1460-2075.1983.tb01714.xTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d38f119a088153421c80250a90b5c559Testhttps://pubmed.ncbi.nlm.nih.gov/4006916Test