Effect of chelation therapy on endothelial function in patients with coronary artery disease: PATCH substudy
Todd J. Anderson, MD, FRCP(C)*,*,
Jaroslav Hubacek, MD, MSc*,
D. George Wyse, MD, PhD, FRCP(C)* and
Merril L. Knudtson, MD, FRCP(C)*
* Faculty of Medicine, University of Calgary and Calgary Health Region, Calgary, Canada

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Figure 1 Changes in vasomotor responses in study groups over time. (A) placebo group; (B) chelation therapy group; *p value < 0.05 (baseline vs. acute vs. 6 months) paired t test. FMD = flow-mediated vasodilation; NTG = nitroglycerin.
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