Ephedra: heart dangers in disguise.
D002110:Caffeine; D002317:Cardiovascular Agents / Q000009:adverse effects; D003257:Consumer Product Safety; D019587:Dietary Supplements / Q000009:adverse effects*; D029789:Ephedra / Q000009:adverse effects*; D006801:Humans; D011356:Product Labeling; D014481:United States; D014486:United States Food and Drug Administration
D002317:Cardiovascular Agents; D002110:Caffeine