Lara Jungvig

Efficacy and safety of ephedra and ephedrine for weight loss and athletic performance: a meta-analysis.

Paul G Shekelle, Sally C Morton, Margaret Maglione, 2003, JAMA.

Effect of supplemental vitamin E for the prevention and treatment of cardiovascular disease

P. Shekelle, S. Morton, M. Hardy, 2004, Journal of General Internal Medicine.

Psychiatric effects of ephedra use: an analysis of Food and Drug Administration reports of adverse events.

P. Shekelle, M. Maglione, S. Morton, 2005, The American journal of psychiatry.