Singh M, Gersh BJ, McClelland RL, Ho KKL, Willerson JT, Penny WF, Holmes DR. Predictive factors for ischemic target vessel revascularization in the Prevention of Restenosis with Tranilast and its Outcomes (PRESTO) trial. Journal of the American College of Cardiology. 2005 Jan;45(2):198–203. doi: 10.1016/j.jacc.2004.05.089.