Sobre o Autor Kim E. Barrett, PhD Professor Department of Medicine Dean of Graduate Studies University of California, San Diego La Jolla, CA Susan M. Barman, PhD Professor Department of Pharmacology/Toxicology Michigan State University East Lansing, MI Scott Boitano, PhD Associate Professor, Physiology Arizona Respiratory Center Bio5 Collaborative Research Institute University of Arizona Tucson, AZ Heddwen L. Brooks, PhD Associate Professor Dept. of Physiology College of Medicine University of Arizona Tuscon, AZ