الإتاحة: https://doi.org/10.1093/ndt/gft142Testhttp://ndt.oxfordjournals.org/cgi/content/short/28/suppl_1/i406Test
الإتاحة: https://doi.org/10.1016/j.ajpath.2013.04.012Testhttps://api.elsevier.com/content/article/PII:S0002944013003301?httpAccept=text/xmlTesthttps://api.elsevier.com/content/article/PII:S0002944013003301?httpAccept=text/plainTest
الإتاحة: https://doi.org/10.1007/s00508-013-0375-6Test