Alpha 2 agonists for sedation to produce better outcomes from critical illness (A2B Trial): protocol for a multicentre phase 3 pragmatic clinical and cost-effectiveness randomised... oleh John Norrie, Stephen Morris, Daniel Francis McAuley, Bronagh Blackwood, Paul Dark, Matt P Wise, Anthony C Gordon, Kalliopi Kydonaki, Timothy Simon Walsh, David Hope, Christopher Weir, Gavin Perkins, Nazir I Lone, Benedict Creagh-Brown, Julia Boyd, Michael Reade, Richard Anthony Parker, Leanne M Aitken, Valerie J Page, Alasdair MacLullich, Cathrine A McKenzie, Alix Macdonald, Annabel Giddings, Lydia Emerson, Robert Glen