الإتاحة: https://doi.org/10.1093/pch/15.suppl_a.58abTesthttp://academic.oup.com/pch/article-pdf/15/suppl_A/58A/11200899/pch-15-suppl_A-58Ab.pdfTest
الإتاحة: https://doi.org/10.1093/pch/15.suppl_a.57abTesthttp://academic.oup.com/pch/article-pdf/15/suppl_A/57A/11200893/pch-15-suppl_A-57Ab.pdfTest
الإتاحة: https://doi.org/10.1093/pch/15.suppl_a.59aaTesthttp://academic.oup.com/pch/article-pdf/15/suppl_A/59A/11200903/pch-15-suppl_A-59Aa.pdfTest
الإتاحة: https://doi.org/10.1093/pch/15.suppl_a.59aTesthttp://academic.oup.com/pch/article-pdf/15/suppl_A/59A/11200901/pch-15-suppl_A-59A.pdfTest
الإتاحة: https://doi.org/10.1093/pch/15.suppl_a.58aaTesthttp://academic.oup.com/pch/article-pdf/15/suppl_A/58A/11200897/pch-15-suppl_A-58Aa.pdfTest