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Totsu S, Yamasaki C, Terahara M, Uchiyama A, Kusuda S; Probiotics Study Group in Japan.Totsu S, et al.Pediatr Int. 2014 Oct;56(5):714-9. doi: 10.1111/ped.12330. Epub 2014 Jun 17.Pediatr Int. 2014.PMID: 24617812Free PMC article.Clinical Trial.