Endpoint study
#1: Vitalone, A., Menniti-Ippolito, F., Raschetti, R., Renda, F., Tartaglia, L., Mazzanti, G. Surveillance of suspected adverse reactions to herbal products used as laxatives. european journal of clinical pharmacology, 2012, vol. 68, no. 3, p. 231–238. DOI: 10.1007/s00228-011-1128-y.
[
DOI link]