by M Sajjan This book has been published in good faith that the contents provided by the author contained herein are original, and is intended for educational purposes only. While every effort is made to ensure accuracy of information, the publisher and the author specifcally disclaim any damage, liability, or loss incurred, directly or indirectly, from the use or application of any of the contents of this work. If not specifcally stated, all fgures and tables are courtesy of the author. Where appropriate, the readers should consult with a specialist or contact the manufacturer of the drug or device. You can buy this product at Gangaram Jinnah Medical Books Shop for home delivery and Cash on delivery to all over Pakistan. All kind of medical books are available.