TY - GEN AU - Taylor,A AU - Lang,A E AU - Saint-Cyr,J A TI - Parkinson's disease and dementia SN - 0028-3878 PY - 1989///0510 KW - Cognition Disorders KW - etiology KW - Dementia KW - Humans KW - Parkinson Disease KW - physiopathology N1 - Publication Type: Letter UR - https://doi.org/10.1212/wnl.39.4.610-a ER -