الوصول الحر: https://escholarship.org/uc/item/8gb9j9cfTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae4f76ed5c19c97f15399ff446f35c58Testhttps://pubmed.ncbi.nlm.nih.gov/950912Test