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Haller, Christine A., Tom Kearney, Stephen Bent, Richard Ko, Neal L. Benowitz, and Kent Olson. Dietary Supplement Adverse Events: Report of a One-year Poison Center Surveillance Project. Springer-Verlag, 2008.

Haller, Christine A., et al. Dietary Supplement Adverse Events: Report of a One-year Poison Center Surveillance Project. Springer-Verlag, 2008.