J P Casas

Tau gene and Parkinson’s disease: a case–control study and meta-analysis

A J Lees, N W Wood, D G Healy, 2004, Journal of Neurology, Neurosurgery & Psychiatry.

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

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