Akarsu, Mesut, et al. “Diagnostic and Therapeutic Efficacy of Double-Balloon Endoscopy in Patients With Small Intestinal Diseases: Single-Center Experience in 513 Procedures”. Turkish Journal of Gastroenterology, vol. 25, no. 4, Jan. 2014, pp. 374-80, doi:10.5152/tjg.2014.5191.