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URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e67bcbd69a54c08efebfc57eec2f2382https://doi.org/10.1097/ceh.0000000000000012
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::89aecdbc036233a7f8fa6f7a9df52679https://doi.org/10.1097/ceh.0000000000000015