Hlatky MA, Ray RM, Burwen DR, Margolis KL, Johnson KC, Kucharska-Newton A, Manson JE, Robinson JG, Safford MM, Allison M, Assimes TL, Bavry AA, Berger J, Cooper-DeHoff RM, Heckbert SR, Li W, Liu S, Martin LW, Perez MV, Tindle HA, Winkelmayer WC, Stefanick ML. Use of Medicare data to identify coronary heart disease outcomes in the Women's Health Initiative. Circ Cardiovasc Qual Outcomes. 2014 Jan; 7(1):157-62.