Low Back Pain
NEJM 344:363-370, Deyo,R.A. &Weinstein,J.N., 2001
Changes in Resource Use and Outcomes for Patients with Migraine Treated with Sumatriptan, A Managed Care Perspective
Arch Int Med 159:857-863, Lofland,J.H.,et al, 1999
Management of Neurological Disorders:Dementia
JNNP 57:1451-1456, Rossor,M.N., 1994