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The summary below is from the full report titled “Prolongation of the QT Interval and Ventricular Tachycardia in Patients Treated with Arsenic Trioxide for Acute Promyelocytic Leukemia.” It is in the 5 December 2000 issue of Annals of Internal Medicine (volume 133, pages 881-885). The authors are K Ohnishi, H Yoshida, K Shigeno, S Nakamura, S Fujisawa, K Naito, K Shinjo, Y Fujita, H Matsui, A Takeshita, S Sugiyama, H Satoh, H Terada, and R Ohno.