I Tzoulaki

A Systematic Review of Epidemiological Associations between Low and Moderate Doses of Ionizing Radiation and Late Cardiovascular Effects, and Their Possible Mechanisms

R Wakeford, S Tapio, P. Elliott, 2008, Radiation research.

Bayesian methods for meta‐analysis of causal relationships estimated using genetic instrumental variables

Stephen Burgess, Debbie A Lawlor, A Hofman, 2010, Statistics in medicine.