Coughing Attacks as a Cause of Gastric Hemorrhage in Patients Who Have Undergone Percutaneous Endoscopic Gastrostomy: An Endoscopic Solution - Ulla, J. L.; Almohalla, C.; Ledo, L.; Viedma, B. López; Luis, J. Vázquez-San; Vázquez-Astray, E. (Endoscopy, 2001)