Economy class syndrome associated with electrocardiographic changes that required discrimination from coronary artery disease - Furumatsu, Yoshiyuki; Nakatani, Daisaku; Aoki, Kazuhiro; Yamaguchi, Osamu; Yamamoto, Kazuhiro; Hori, Masatsugu; Kamei, Junko; Hasegawa, Shinji; Masuyama, Tohru (Nihon Naika Gakkai Zasshi, 2002)