الوصول الحر: https://escholarship.org/uc/item/0bb509xtTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a9de9e056974fa7549527c6ad9314b16Testhttps://pubmed.ncbi.nlm.nih.gov/20711301Test