Kortman H, Navaei E, Raybaud CA, Bhatia KD, Shroff M, terBrugge K, Armstrong D, Pereira VM, Dirks PB, Krings T, Muthusami P. Deep venous communication in vein of Galen malformations: incidence, Imaging, and Implications for treatment. J Neurointerv Surg. 2021 Mar; 13(3):290-293.