Langley Ruth E, Nankivell Matthew, Barton Rachael, Faivre-Finn Corinne, Mulvenna Paula
Medical Research Council Clinical Trials Unit at University College London, London WC2B 6NH, UK.
Medical Research Council Clinical Trials Unit at University College London, London WC2B 6NH, UK.
Lancet. 2017 Apr 8;389(10077):1395-1396. doi: 10.1016/S0140-6736(17)30892-9.