Clinical trial results in context: comparison of baseline characteristics and outcomes of 38,510 RECOVERY trial participants versus a reference population of 346,271 people hospita... by Pessoa-Amorim, G, Goldacre, R, Crichton, C, Stevens, W, Nunn, M, King, A, Murray, D, Welsh, R, Pinches, H, Rees, A, Morris, EJV, Landray, M, Haynes, R, Horby, P, Wallendszus, K, Peto, L, Campbell, M, Harper, C, Mafham, M