Jeong, Hyeonseok S Longitudinal Cerebral Perfusion Changes in Parkinson's Disease with Subjective Cognitive Impairment. [electronic resource] - Dementia and neurocognitive disorders Dec 2016 - 147-152 p. digital Publication Type: Journal Article ISSN: 2384-0757 Standard No.: 10.12779/dnd.2016.15.4.147 doi