Download PDF Serum levels of tumor necrosis factor-alpha and vascular endothelial growth factor as markers of disease activity in patients with axial spondyloarthritis  This is a temporary file and hence do not link it from a website, instead link the URL of this page if you wish to link the PDF file. To read this article you will require Adobe© Acrobat Reader, if you do not have this installed you can download it from here Support open access Recommend
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