Mechanisms and treatment of cardiovascular disease in Williams-Beuren syndrome
J. Clin. Invest. Barbara R. Pober, et al. 118:1606
doi:10.1172/JCI35309 [Go to this article.]

Figure 3
Aortogram in a 4-year-old individual with WBS. SVAS (arrowhead) and mild narrowing of the proximal left main coronary artery (arrow) are shown. The gradient measured at catheterization was 40 mmHg.