Elevated levels of oxidized low density lipoprotein show a positive relationship with the severity of acute coronary syndromes - Ehara, S; Ueda, M; Naruko, T; Haze, K; Itoh, A; Otsuka, M; Komatsu, R; Matsuo, T; Itabe, H; Takano, T; Tsukamoto, Y; Yoshiyama, M; Takeuchi, K; Yoshikawa, J; Becker, A E (Circulation, 2001)