Matthew Walker

Assessing Risk Prediction Models Using Individual Participant Data From Multiple Studies

Mark Woodward, Shah Ebrahim, Johan Sundström, 2013, American journal of epidemiology.

The INTERVAL trial to determine whether intervals between blood donations can be safely and acceptably decreased to optimise blood supply: study protocol for a randomised controlled trial

Jonathan Mant, Stephen Kaptoge, Willem Ouwehand, 2014, Trials.