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"Best known for its clean, sharp fragrance, lemon is a major ingredient in many cleaning products, beverages, cologne, medicines, and more. Learn how lemon essential oil and lemon flowers are used in aromatherapy."^^<http://www.w3.org/2001/XMLSchema#string>
<http://health.howstuffworks.com/wellness/natural-medicine/aromatherapy/aromatherapy-lemon.htm>