Aortoiliac angulation and the need for secondary procedures to secure stent graft fixation: which angle is important?

Filis KA, Arko FR, Rubin GD, Raman B, Fogarty TJ, Zarins CK. "Aortoiliac angulation and the need for secondary procedures to secure stent graft fixation: which angle is important?" Int Angiol. 2002;21(4):349-54.