Cortical serotonin 1A receptor levels are associated with depression in patients with dementia with lewy bodies and Parkinson's disease dementia. - Sharp SI; Ballard CG; Ziabreva I; Piggott MA; Perry RH; Perry EK; Aarsland D; Ehrt U; Larsen JP; Francis PT (Dementia & Geriatric Cognitive Disorders, 2008)