Beneficial psychological effects of a probiotic formulation (Lactobacillus helveticus R0052 and Bifidobacterium longum R0175) in healthy human volunteers
Messaoudi M, Violle N, Bisson JF, Desor D, Javelot H, Rougeot C - 2011, Jul-Aug Gut Microbes, 2:256-61.
Link to Pubmed
