Quiñones, M. A., Douglas, P. S., Foster, E., Gorcsan, J., Lewis, J. F., Pearlman, A. S., … American Society of Internal Medicine Task Force on Clinical Competence, . (2003). American College of Cardiology/American Heart Association clinical competence statement on echocardiography: a report of the American College of Cardiology/American Heart Association/American College of Physicians--American Society of Internal Medicine Task Force on Clinical Competence. Circulation, 107(7), 1068–1089. https://doi.org/10.1161/01.cir.0000061708.42540.47

Quiñones, Miguel A., Pamela S. Douglas, Elyse Foster, John Gorcsan, Jannet F. Lewis, Alan S. Pearlman, Jack Rychik, et al. “American College of Cardiology/American Heart Association clinical competence statement on echocardiography: a report of the American College of Cardiology/American Heart Association/American College of Physicians--American Society of Internal Medicine Task Force on Clinical Competence.” Circulation 107, no. 7 (February 25, 2003): 1068–89. https://doi.org/10.1161/01.cir.0000061708.42540.47.

Quiñones MA, Douglas PS, Foster E, Gorcsan J, Lewis JF, Pearlman AS, et al. American College of Cardiology/American Heart Association clinical competence statement on echocardiography: a report of the American College of Cardiology/American Heart Association/American College of Physicians--American Society of Internal Medicine Task Force on Clinical Competence. Circulation. 2003 Feb 25;107(7):1068–89.

Quiñones, Miguel A., et al. “American College of Cardiology/American Heart Association clinical competence statement on echocardiography: a report of the American College of Cardiology/American Heart Association/American College of Physicians--American Society of Internal Medicine Task Force on Clinical Competence.” Circulation, vol. 107, no. 7, Feb. 2003, pp. 1068–89. Pubmed, doi:10.1161/01.cir.0000061708.42540.47.

Quiñones MA, Douglas PS, Foster E, Gorcsan J, Lewis JF, Pearlman AS, Rychik J, Salcedo EE, Seward JB, Stevenson JG, Thys DM, Weitz HH, Zoghbi WA, Creager MA, Winters WL, Elnicki M, Hirshfeld JW, Lorell BH, Rodgers GP, Tracy CM, American College of Cardiology, American Heart Association, American College of Physicians, American Society of Internal Medicine Task Force on Clinical Competence. American College of Cardiology/American Heart Association clinical competence statement on echocardiography: a report of the American College of Cardiology/American Heart Association/American College of Physicians--American Society of Internal Medicine Task Force on Clinical Competence. Circulation. 2003 Feb 25;107(7):1068–1089.