Aortic arch variation: a unique case with anomalous origin of both vertebral arteries as additional branches of the aortic arch distal to left subclavian artery - Goray,V.B.; Joshi,A.R.; Garg,A.; Merchant,S.; Yadav,B.; Maheshwari,P. (AJNR Am J Neuroradiol, 2005)