الإتاحة: https://doi.org/10.1016/S0140-6736Test(17)30069-7http://eprints.gla.ac.uk/163341Test/http://eprints.gla.ac.uk/163341/1/163341.pdfTesthttp://eprints.gla.ac.uk/163341/7/163341Suppl.pdfTest
الإتاحة: https://doi.org/10.1016/S0140-6736Test(17)30069-7http://hdl.handle.net/11585/624998Testhttp://www.journals.elsevier.com/the-lancetTest/