title: Is "PERC negative" adequate to rule out pulmonary embolism in the emergency department? Evaluating meta-analysis for studies of clinical prediction models: answers to the July 2012 journal club questions.
authors.affiliation: Vanderbilt University Medical Center, Nashville, TN, USA.
authors.forename: Wesley H
authors.initials: WH
authors.lastname: Self
authors.forename: Tyler W
authors.initials: TW
authors.lastname: Barrett