Reference:
“Martin AE, Newlove-Delgado TV, Abbott RA, Bethel A, Thompson-Coon J, Nikolaou V, Logan S. Pharmacological interventions for recurrent abdominal pain in childhood. Cochrane Database of Systematic Reviews 2014, Issue 2. Art. No.: CD010973. DOI: 10.1002/14651858.CD010973.”