Ref:WALLER Commentary The birth of the twin study D5G83A5S
De Commission Historique
Waller, John C.. "Commentary: The birth of the twin study—a commentary on Francis Galton’s ‘The History of Twins’." International Journal of Epidemiology 41 (2012) : 913-917.
https://academic.oup.com/ije/article/41/4/913/687150