title: Assessment of plants as medicines: a tale of two tales.
authors.affiliation: US Department of Agriculture, Beltsville, MD, USA.
authors.forename: J
authors.initials: J
authors.lastname: Duke
mesh_terms: D003247:Conservation of Natural Resources; D004351:Drug Resistance; D004357:Drug Synergism; D019448:Ethnobotany; D006801:Humans; D008517:Phytotherapy; D010946:Plants, Medicinal / Q000627:therapeutic use*; D012109:Research Support as Topic; D014197:Trees; D014329:Tropical Climate