1. Prediction of headache severity (density and functional impact) after traumatic brain injury: A longitudinal multicenter study. (September 2013) Authors: Walker, William C; Marwitz, Jennifer H; Wilk, Amber R; Ketchum, Jessica M; Hoffman, Jeanne M; Brown, Allen W; Lucas, Sylvia Journal: Cephalalgia Issue: Volume 33:Number 12(2013) Page Start: 998 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗