Cite
MLA Citation
Ros Collins et al.. “Duplex ultrasonography, magnetic resonance angiography, and computed tomography angiography for diagnosis and assessment of symptomatic, lower limb peripheral arterial disease: systematic review.” BMJ, vol. 334, no. 7606, 2007, pp. 1257–. http://access.bl.uk/ark:/81055/vdc_100139914157.0x00004e