title: [Guaraná--a natural product with high caffeine content].
authors.forename: W
authors.initials: W
authors.lastname: Katzung
mesh_terms: D001143:Arousal / Q000187:drug effects; D001938:Brazil; D002110:Caffeine; D004347:Drug Interactions; D006801:Humans; D010936:Plant Extracts; D010946:Plants, Medicinal
chemical_list: D010936:Plant Extracts; D002110:Caffeine
vernacular_title: Guaraná--ein Naturprodukt mit hohem Coffeingehalt.