Development and Validation of a Controlled Vocabulary: An OWL Representation of Organizational Structures of Trauma Centers and Trauma Systems. - Joseph Utecht; Jane Ball; Stephen M. Bowman; Jimm Dodd; John Judkins; Robert T. Maxson; Rosemary Nabaweesi; Rohit Pradhan; Nels D. Sanddal; Robert J. Winchell; Mathias Brochhausen (MedInfo, 2019)