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Layne McDonald. Ph.D.

This book has been written for information purposes only. Every effort has been made to make this book as complete and correct as possible. However, there may be mistakes in typography or content. Also, this book supplies information only up to the publishing date. Therefore, this book should be used as a guide - not as the ultimate source. 

The purpose of this book is to educate. The author and the publisher do not call for the information contained in this book is fully complete and shall not be responsible for any errors or omissions. The author and publisher shall have neither liability nor responsibility to any person or entity concerning any loss or damage caused or alleged to be caused directly or indirectly by this book.

This book offers information and is designed for educational purposes only. It would help if you did not rely on this information as a substitute, nor does it replace professional medical advice, diagnosis, or treatment. 

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