Medicine is an ever-changing science. As new research and clinical experience
broaden our knowledge, changes in treatment and drug therapy
are required. The authors and the publisher of this work have checked
with sources believed to be reliable in their efforts to provide information
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at the time of publication. However, in view of the possibility of human
error or changes in medical sciences, neither the authors nor the publisher
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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 administration. This recommendation is of particular
importance in connection with new or infrequently used drugs.