More than 4,000 cross-referenced medical articles from the U.S. National Library of Medicine and the National Institutes of Health. Includes comprehensive illustrations and photographs.
These materials do not provide medical advice and are for informational purposes only. This content is not intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of a qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read here.