Pedersen, Stephanie Echinacea: amazing immunity/ by Stephanie Pedersen. - New York: Dorling Kindersley Pub., c2000. - 64 p.: ill.; 18 cm. Includes index ISBN: 0-7894-5199-9 Subjects--Topical Terms: Echinacea (Plants) --Therapeutic use Dewey Class. No.: GC 615.32399 P371 2000