Mendelian randomization: where are we now and where are we going?

Stephen Burgess ; Nicholas J Timpson ; Shah Ebrahim ; George Davey Smith ; (2015) Mendelian randomization: where are we now and where are we going? International journal of epidemiology, 44 (2). pp. 379-388. ISSN 0300-5771 DOI: 10.1093/ije/dyv108