The effects of donepezil on nicotinic receptor status in dementia: a 123I-5IA-85380 SPECT study. Issue 4 (12th December 2007) - Colloby, S J; Pakrasi, S; Perry, E K; Pimlott, S L; Wyper, D J; Williams, E D; McKeith, I G; O'Brien, J T