Critical hypertension in trauma patients following prehospital emergency anaesthesia: a multi-centre retrospective observational study oleh Liam Sagi, James Price, Kate Lachowycz, Zachary Starr, Rob Major, Chris Keeliher, Benjamin Finbow, Sarah McLachlan, Lyle Moncur, Alistair Steel, Peter B. Sherren, Ed B G Barnard