Cappell, M. S. (2020). Two case reports of novel syndrome of bizarre performance of gastrointestinal endoscopy due to toxic encephalopathy of endoscopists among 181767 endoscopies in a 13-year-university hospital review: Endoscopists, first do no harm! World J Gastroenterol.

Cappell, Mitchell S. "Two Case Reports of Novel Syndrome of Bizarre Performance of Gastrointestinal Endoscopy Due to Toxic Encephalopathy of Endoscopists Among 181767 Endoscopies in a 13-year-university Hospital Review: Endoscopists, First Do No Harm!" World J Gastroenterol 2020.

Cappell, Mitchell S. "Two Case Reports of Novel Syndrome of Bizarre Performance of Gastrointestinal Endoscopy Due to Toxic Encephalopathy of Endoscopists Among 181767 Endoscopies in a 13-year-university Hospital Review: Endoscopists, First Do No Harm!" World J Gastroenterol 2020.