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APA Citation
Lenze, F., Nowacki, T., Schöppner, S., Ullerich, H., Bettenworth, D., Soriani, P., Gabbani, T., Mirante, V. G., Domagk, D., Manno, M., & Lenz, P. (2020). bowel Preparation With Polyethylene Glycol 3350 or Fasting Only Before Peroral Single-balloon Enteroscopy. Journal of clinical gastroenterology, 54(2), . http://access.bl.uk/ark:/81055/vdc_100133179520.0x000056