Canadian CT head rule study for patients with minor head injury: methodology for phase II (validation and economic analysis).
Stiell IG, Lesiuk H, Wells GA, Coyle D, McKnight RD, Brison R, Clement C, Eisenhauer MA, Greenberg GH, Macphail I, Reardon M, Worthington J, Verbeek R, Rowe B, Cass D, Dreyer J, Holroyd B, Morrison L, Schull M, Laupacis A; Canadian CT Head and C-Spine Study Group.
Stiell IG, et al. Among authors: coyle d.
Ann Emerg Med. 2001 Sep;38(3):317-22. doi: 10.1067/mem.2001.116795.
Ann Emerg Med. 2001.
PMID: 11524653