Referenzen :

1 Rose C, Parker A, Jefferson B, et al. The characterization of Feces and urine: A review of the literature to inform Advanced Treatment Technology. Crit Rev Environ Sci Technol. 2015 Sep 2;45(17):1827-1879.

2 Boronat AC et al. Epidemiology of functional gastrointestinal disorders in children and adolescents: A systematic review. World J Gastroenterol 2017; 23(21): 3915–3927.