RT Journal Article SR Electronic T1 Amantadine-HCl (Symmetrel) in the management of Parkinson's disease: a double-blind cross-over study JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 42 OP 46 VO 105 IS 1 A1 Barbeau, A. A1 Mars, H. A1 Botez, M. I. A1 Joubert, M. YR 1971 UL http://www.cmaj.ca/content/105/1/42.abstract