«Adverse cardiovascular and central nervous system events associated with dietary supplements containing ephedra alkaloids». N Engl J Med343 (25): 1833-38. 2000. PMID11117974. doi:10.1056/NEJM200012213432502.
«Patterns of ephedra and other stimulant use in collegiate hockey athletes». Int J Sport Nutr Exerc Metab16 (6): 636-43. 2006. PMID17342884. doi:10.1123/ijsnem.16.6.636.
«Concentrations of ephedra alkaloids and caffeine in commercial dietary supplements». J Anal Toxicol28 (3): 145-51. 2004. PMID15107143. doi:10.1093/jat/28.3.145.
«Content versus label claims in ephedra-containing dietary supplements». Am J Health Syst Pharm57 (10): 963-9. 2000. PMID10832496. doi:10.1093/ajhp/57.10.963.
«Efficacy and safety of ephedra and ephedrine for weight loss and athletic performance: a meta-analysis». JAMA289 (12): 1537-45. 2003. PMID12672771. doi:10.1001/jama.289.12.1470.
«Adverse cardiovascular and central nervous system events associated with dietary supplements containing ephedra alkaloids». N Engl J Med343 (25): 1833-38. 2000. PMID11117974. doi:10.1056/NEJM200012213432502.
«Patterns of ephedra and other stimulant use in collegiate hockey athletes». Int J Sport Nutr Exerc Metab16 (6): 636-43. 2006. PMID17342884. doi:10.1123/ijsnem.16.6.636.
«Concentrations of ephedra alkaloids and caffeine in commercial dietary supplements». J Anal Toxicol28 (3): 145-51. 2004. PMID15107143. doi:10.1093/jat/28.3.145.
«Content versus label claims in ephedra-containing dietary supplements». Am J Health Syst Pharm57 (10): 963-9. 2000. PMID10832496. doi:10.1093/ajhp/57.10.963.
«Efficacy and safety of ephedra and ephedrine for weight loss and athletic performance: a meta-analysis». JAMA289 (12): 1537-45. 2003. PMID12672771. doi:10.1001/jama.289.12.1470.