Towards comprehensive syntactic and semantic annotations of the clinical narrative. - Daniel Albright; Arrick Lanfranchi; Anwen Fredriksen; William F. Styler IV; Colin Warner; Jena D. Hwang; Jinho D. Choi; Dmitriy Dligach; Rodney D. Nielsen; James H. Martin; Wayne H. Ward; Martha Palmer; et al. (J. Am. Medical Informatics Assoc., 2013)