1. Are the Variants of the Circle of Willis Determined by Genetic or Environmental Factors? Results of a Twin Study and Review of the Literature. (11th September 2018) Authors: Forgo, Bianka; Tarnoki, Adam Domonkos; Tarnoki, David Laszlo; Kovacs, Daniel Tamas; Szalontai, Laszlo; Persely, Aliz; Hernyes, Anita; Szily, Marcell; Littvay, Levente; Medda, Emanuela; Szabo, Adam; Kozak, Lajos Rudolf; Rudas, Gabor; Sas, Attila; Sepsi, Marianna; Kostyal, Laszlo; Olah, Csaba Journal: Twin research and human genetics Issue: Volume 21:Number 5(2018) Page Start: 384 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗