Measuring the Pressure in the Superficial Inferior Epigastric Vein to Monitor for Venous Congestion in Deep Inferior Epigastric Artery Perforator Breast Reconstructions: A Pilot Study - Smit, Jeroen M; Audolfsson, Thorir; Whitaker, Iain S; Werker, Paul M.N; Acosta, Rafael; Liss, Anders G (Journal of Reconstructive Microsurgery, 2010)