الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::3c20edaecb77dcab8fc3a1ffd637d768Testhttps://doi.org/10.1016/j.jmv.2010.02.001Test
الإتاحة: https://doi.org/10.1016/j.jmv.2010.02.001Testhttp://okina.univ-angers.fr/publications/ua5386Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=pmid________::f5d02ef434696426a104ae3703ea57d1Testhttps://pubmed.ncbi.nlm.nih.gov/20347241Test