An assessment of the cost-effectiveness of magnetic resonance, including diffusion-weighted imaging, in patients with transient ischaemic attack and minor stroke: a systematic review, meta-analysis and economic evaluation - Joanna Wardlaw; Miriam Brazzelli; Hector Miranda; Francesca Chappell; Paul McNamee; Graham Scotland; Zahid Quayyum; Duncan Martin; Kirsten Shuler; Peter Sandercock; Martin Dennis (Health Technology Assessment, 2014)