TY - JOUR TI - Video Comment on Arne Bleijenberg et al. SN - 0013-726X SN - 1438-8812 PY - 2019 JO - Endoscopy JF - Endoscopy LA - EN VL - 51 IS - 08 SP - v21 EP - v21 DA - 2019/07/25 PB - © Georg Thieme Verlag KG DO - 10.1055/a-0956-9019 UR - http://www.thieme-connect.de/products/ejournals/abstract/10.1055/a-0956-9019 ER -