P4‐643: PREDICTORS OF CHOLINESTERASE INHIBITOR AND MEMANTINE USE IN NEWLY ADMITTED NURSING HOME RESIDENTS WITH DEMENTIA AND/OR COGNITIVE IMPAIRMENT: IMPACT OF DRUG POLICIES IN SASKATCHEWAN AND ONTARIO, CANADALaura C. Maclagan, Susan E. Bronskill, Michael A. Campitelli et al.|Alzheimer s & Dementia|2019Cited by 0