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Use of cognitive enhancers for mild cognitive impairment: protocol for a systematic review and network meta-analysis

Andrea C Tricco, Charlene Soobiah, Erin Lillie, Laure Perrier, Maggie H Chen, Brenda Hemmelgarn, Sumit R Majumdar and Sharon E Straus*

Systematic Reviews 2012, 1:25  doi:10.1186/2046-4053-1-25