The effect of multistrain probiotics on functional constipation in the elderly: a randomized controlled trial
Gallegos-Orozco JF, Foxx-Orenstein AE, Sterler SM, Stoa JM. Chronic constipation in the elderly. Am J Gastroenterol. 2012;107:18–26. https://doi.org/10.1038/ajg.2011.349.Article PubMed Google ...