R Collins

Re-survey of the Whitehall Study of London Civil Servants: Changes in Risk Factors for Cardiovascular Disease during 29 Years of Follow-up

R Clarke, E Breeze, L Youngman, 2000, Journal of cardiovascular risk.

Avoidance of large biases and large random errors in the assessment of moderate treatment effects: the need for systematic overviews.

R Collins, R Gray, J Godwin, 1987, Statistics in medicine.