Endoscopic recanalization using rendez-vous technique for complete upper esophageal obstruction: a case report - Alaoui, Ahmed Amine; Studer, Anne-Sophie; Rakovich, Georges; Kaouam, Nader; Ayad, Tareck; Atlas, Henri; Garneau, Pierre Y.; Denis, Ronald; Pescarus, Radu (Digestive Medicine Research, 2021)