Armitage Jane, Baigent Colin, Collins Rory
Clinical Trial Service Unit, Richard Doll Building, Old Road Campus, Oxford OX3 7LF, UK.
Clinical Trial Service Unit, Richard Doll Building, Old Road Campus, Oxford OX3 7LF, UK.
Lancet. 2014 Oct 4;384(9950):1263-4. doi: 10.1016/S0140-6736(14)61765-7.