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. 2003 Apr 22;2003(2):CD003158. doi: 10.1002/14651858.CD003158

Costa 1993.

Methods Randomized, parallel, double blind, placebo controlled study
Participants Country: Italy 
 Selection criteria: probable dementia Alzheimers type according to DSM III‐R and NINCDS‐ADRDA criteria. MMSE 16‐24,GDS 4‐5 Exclusion criteria Hamilton Rating scale >18
Interventions 1. ALC 2g/day for 16 weeks 
 2. Placebo for 16 weeks
Outcomes Reys test, Digit span, Corsi's test, digit symbol test, Gibson's spiral, verbal fluency, GBS
Notes