Brenner LA, Stearns-Yoder KA, Stamper CE, Hoisington AJ, Brostow DP, Hoffmire CA, Forster JE, Donovan ML, Ryan AT, Postolache TT, Lowry CA. Rationale, design, and methods: A randomized placebo-controlled trial of an immunomodulatory probiotic intervention for Veterans with PTSD. Contemp Clin Trials Commun. 2022 Aug; 28:100960.