The Canadian C-Spine Rule Versus the NEXUS Low-Risk Criteria in Patients with Trauma
NEJM 349:2510-2518, Stiell,I.G.,et al, 2003
Radiography of the Lumbar Spine in Primary Care Patients with Low Back Pain: Randomised Controlled Trial
BMJ 322:400-405, Kendrick,D.,et al, 2001
Patterns of Ordering Diagnostic Tests for Patients with Acute Low Back Pain
Ann Int Med 125:807-814, Carey,T.S.,et al, 1996