Berra Kathy, Fletcher Barbara J, Hayman Laura L, Miller Nancy Houston
Stanford Heart Network, Stanford Prevention Research Center, Stanford University School of Medicine, Palo Alto, California, United States.
Eur J Cardiovasc Nurs. 2011 Jul;10 Suppl 2:S1-2. doi: 10.1016/S1474-5151(11)00107-1.