Strategies to manage emergency ambulance telephone callers with sustained high needs: the STRETCHED mixed-methods evaluation with linked data.

Alan Watkins, Rabeea'h Aslam, Alex Dearden, Timothy Driscoll, Adrian Edwards, Bethan Edwards, Bridie Angela Evans, Angela Farr, Theresa Foster, Rachael Fothergill, Penny Gripper, Imogen M Gunson, Ann John, Ashrafunnesa Khanom, Tessa Noakes