Medicine is an ever-changing science. As new research and clinical experience broaden our knowledge, changes in the treatment and drug therapy is required.

The authors and the publishers of this book have checked with sources believed to be reliable in their efforts to provide information that is complete and generally in accord with the standards accepted at the time of publication.

However, in view of possibility of human error or changes in the medical sciences, neither the authors nor the publisher nor any other party who has been involved in the preparati on or publication of this work warrants that the information contained herein is in every respect accurate or complete, and they disclaim all responsibility for any errors or omissions or for the results obtained from the use of the information contained in this work.

Readers are encouraged to confirm the information contained herein with other sources. For example and in particular, readers are advised to check the product information sheet included in the package of each drug they plan to administer to be certain that the information contained in this work is accurate and that changes have not been made in the recommended dose or in the contraindications for the administration.

This recommendation is of particular importance in connection with new or infrequently used drugs.