摘要: The author and the publisher of this Work have made every effort to use sources believed to be reliable to provide information that is accurate and compatible with the standards generally accepted at the time of publication. Because medical science is continually advancing, our knowledge base continues to expand. Therefisre, as newr information becomes available, changes in procedures become necessary. We recommend that the reader always consult current research and specific institutional policies before perforating an) r clinical procedure. The author and publisher shall not be liable for any special, consequential. or exemplary damages resulting, in whole or in part, from the readers’ use of, or reliance on, the information contained in this book. The publisher has no responsibility for the persistence or accuracy of URLs for external or third—party Internet Web sites referred to in this publication and does not …