BAlloon versus Stenting in severe Ischaemia of the Leg-3 (BASIL-3): study protocol for a randomised controlled trial oleh Benjamin D. Hunt, Matthew A. Popplewell, Huw Davies, Lewis Meecham, Hugh Jarrett, Gareth Bate, Margaret Grant, Smitaa Patel, Catherine Hewitt, Lazaros Andronis, Jonathan J. Deeks, Andrew Bradbury, on behalf of the BASIL-3 Collaborative Group