Authors: Brian M Ilfeld; Linda T Le; R Scott Meyer; Edward R Mariano; Krista Vandenborne; Pamela W Duncan; Daniel I Sessler; F Kayser Enneking; Jonathan J Shuster; Douglas W Theriaque; Linda F Berry; Eugene H Spadoni; Peter F Gearen Journal: Anesthesiology Date: 2008-04 Impact factor: 7.892