Topol, E. J., Califf, R. M., Van de Werf, F., Simoons, M., Hampton, J., Lee, K. L., … Armstrong, P. W. (1997). Perspectives on large-scale cardiovascular clinical trials for the new millennium. The Virtual Coordinating Center for Global Collaborative Cardiovascular Research (VIGOUR) Group. Circulation, 95(4), 1072–1082. https://doi.org/10.1161/01.cir.95.4.1072

Topol, E. J., R. M. Califf, F. Van de Werf, M. Simoons, J. Hampton, K. L. Lee, H. White, J. Simes, and P. W. Armstrong. “Perspectives on large-scale cardiovascular clinical trials for the new millennium. The Virtual Coordinating Center for Global Collaborative Cardiovascular Research (VIGOUR) Group.” Circulation 95, no. 4 (February 18, 1997): 1072–82. https://doi.org/10.1161/01.cir.95.4.1072.

Topol EJ, Califf RM, Van de Werf F, Simoons M, Hampton J, Lee KL, et al. Perspectives on large-scale cardiovascular clinical trials for the new millennium. The Virtual Coordinating Center for Global Collaborative Cardiovascular Research (VIGOUR) Group. Circulation. 1997 Feb 18;95(4):1072–82.

Topol, E. J., et al. “Perspectives on large-scale cardiovascular clinical trials for the new millennium. The Virtual Coordinating Center for Global Collaborative Cardiovascular Research (VIGOUR) Group.” Circulation, vol. 95, no. 4, Feb. 1997, pp. 1072–82. Pubmed, doi:10.1161/01.cir.95.4.1072.

Topol EJ, Califf RM, Van de Werf F, Simoons M, Hampton J, Lee KL, White H, Simes J, Armstrong PW. Perspectives on large-scale cardiovascular clinical trials for the new millennium. The Virtual Coordinating Center for Global Collaborative Cardiovascular Research (VIGOUR) Group. Circulation. 1997 Feb 18;95(4):1072–1082.