RT Journal Article SR Electronic T1 Drug therapy for Alzheimer's disease JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1372 OP 1372 DO 10.1503/cmaj.1031685 VO 170 IS 9 A1 Levyman, Celio YR 2004 UL http://www.cmaj.ca/content/170/9/1372.1.abstract