Elevated Expression of Mitochondrial NADH Dehydrogenase Subunit 4/4L Genes in Vascular Endothelial Cells Undergoing Sphingosine-induced Apoptosis - Kazama, Fuminori; Yatomi, Yutaka; Ohmori, Tsukasa; Hosogaya, Shigemi; Ozaki, Yukio (Thrombosis and Haemostasis, 2001)