Fioravanti M, Flicker L (2001). „Efficacy of nicergoline in dementia and other age associated forms of cognitive impairment”. Cochrane Database Syst Rev (4): CD003159. PMID11687175. doi:10.1002/14651858.CD003159.
Fioravanti M, Flicker L (2001). „Efficacy of nicergoline in dementia and other age associated forms of cognitive impairment”. Cochrane Database Syst Rev (4): CD003159. PMID11687175. doi:10.1002/14651858.CD003159.