What Contributes to Quality of Life in Patients with Parkinson's Disease?
JNNP 69:308-312,289, Schrag,A. et al, 2000
Treatment of Advanced Parkinson's Disease by Posterior GPi Pallidotomy:1-Year Results of a Pilot Study
Ann Neurol 40:355-366, 3411996., Baron,M.S.,et al, 1996
Neurologic Manifestations of HIV Infection
Ann Int Med 121:769-785, Simpson,D.M.&Tagliati,M., 1994