title: The relative safety of ephedra compared with other herbal products.
authors.forename: Stephen E
authors.initials: SE
authors.lastname: Kimmel
mesh_terms: D029789:Ephedra / Q000009:adverse effects*; D006801:Humans; D008517:Phytotherapy / Q000009:adverse effects*; D018514:Plant Structures / Q000009:adverse effects*; D012306:Risk; D012449:Safety