TY - CHAP M1 - Book, Section TI - Gastrointestinal Endoscopy A1 - Kee Song, Louis Michel Wong A1 - Topazian, Mark A2 - Kasper, Dennis A2 - Fauci, Anthony A2 - Hauser, Stephen A2 - Longo, Dan A2 - Jameson, J. Larry A2 - Loscalzo, Joseph PY - 2014 T2 - Harrison's Principles of Internal Medicine, 19e AB - Gastrointestinal endoscopy has been attempted for over 200 years, but the introduction of semirigid gastroscopes in the middle of the twentieth century marked the dawn of the modern endoscopic era. Since then, rapid advances in endoscopic technology have led to dramatic changes in the diagnosis and treatment of many digestive diseases. Innovative endoscopic devices and new endoscopic treatment modalities continue to expand the use of endoscopy in patient care. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2021/04/10 UR - accessmedicine.mhmedical.com/content.aspx?aid=1120810422 ER -