RT Journal Article SR Electronic T1 Smoking and Parkinson’s disease JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 1158 OP 1158 DO 10.1212/WNL.53.5.1158 VO 53 IS 5 A1 Honig, Lawrence S. YR 1999 UL http://n.neurology.org/content/53/5/1158.1.abstract AB