Del Piano M. et al. The use of probiotics in healthy volunteers with evacuation disorders and hard stools. A double blind, randomized, placebo-controlled study. J Clin Gastroenterol, 2010; 44(8):S30-34.
Del Piano M. et al. The use of probiotics in the treatment of constipation in the elderly. CIBUS, 2005; 1(1):23-30.
Dimidi E. et al. The effect of probiotics on functional constipation in adults: a systematic review and metanalysis of randomized controlled trials. Am J Clin Nutr 2014;100:1075–84.
Del Piano M. et al. Comparison of the Kinetics of Intestinal Colonization by Associating 5 Probiotic Bacteria Assumed Either in Microencapsulated or in a Traditional, Uncoated Form. J Clin Gastroenterol 2012;46:S85-S92.