الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4b6a279b3f299e952d2f61f6e4be99b9Testhttps://doi.org/10.2522/ptj.20150550Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13da019b9dd206cedd7a7a737f58be43Testhttps://pubmed.ncbi.nlm.nih.gov/31348513Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf18f867978bbc45214f4aa55180d300Testhttps://doi.org/10.2522/ptj.20120171Test