The fast growing traffic demand in telecommunication networks, by use of the Internet and an increasing number of broadband services for multimedia com- munications, requires new high performance networking technologies. As such, optical WDM networks are playing a pivotal role. Wavelength Division Mul- tiplexing (WDM) with many hundreds of wavelength channels per fiber is ex- tensively being exploited in wide area networks. With respect to the ongoing trend towards a completely packet-switched mode of operation for all services, WDM networks must be prepared accordingly. This work...

Growth Hormone is a fitting addition to the Endocrine Updates Series. The aim of these publications is to provide the clinician with cutting-edge, yet succinct, access to the latest advances in endocrinology. Current interest in this rapidly evolving area of endocrinology makes this a timely and important update. Growth Hormone joins Dr. Fagin's Thyroid Cancer in continuing the standard of excellence as the fourth volume in this series of topical updates.
Shlomo Melmed, MD, Series Editor, Endocrine Updates
Ten years ago, many...