K?hn AL, de Macedo Rodrigues K, Lozano JD, Rex DE, Massari F, Tamura T, Howk M, Brooks C, L'Heureux J, Gounis MJ, Wakhloo AK, Puri AS. Use of the Pipeline embolization device for recurrent and residual cerebral aneurysms: a safety and efficacy analysis with short-term follow-up. J Neurointerv Surg. 2017 Dec; 9(12):1208-1213.