1. History of portal hypertension and endoscopic treatment of esophageal varices 
Ivana Dzeletovic, MD 
Gastrointestinal Endoscopy 
Volume 75, Issue 6, Pages (June 2012)
DOI: /j.gie
Copyright © 2012 American Society for Gastrointestinal Endoscopy Terms and Conditions

2. Figure 1
Vesalius. First picture of the portal venous system. Copyright © 1993 Royal Society of Medicine Press, UK.
Gastrointestinal Endoscopy  , DOI: ( /j.gie )
Copyright © 2012 American Society for Gastrointestinal Endoscopy Terms and Conditions

3. Figure 2
Sir Archibald McIndoe ( );
Gastrointestinal Endoscopy  , DOI: ( /j.gie )
Copyright © 2012 American Society for Gastrointestinal Endoscopy Terms and Conditions

4. Figure 3
A photograph of the original Sengstaken and Blakemore nasogastric tube-balloon assembly for the emergency control of hemorrhage of esophageal varices.
Gastrointestinal Endoscopy  , DOI: ( /j.gie )
Copyright © 2012 American Society for Gastrointestinal Endoscopy Terms and Conditions

5. Figure 4
The Provisional patent application ( ) submitted by Paul Swain, MD, and Tim Mills, MD, on September 8th, 1985.
Gastrointestinal Endoscopy  , DOI: ( /j.gie )
Copyright © 2012 American Society for Gastrointestinal Endoscopy Terms and Conditions

6. Figure 5
A, The O ring loaded onto the banding cylinder using the loading device. B, The trip wire in the notch of the banding cylinder. C, The banding cylinder, loaded O ring inside the housing cylinder, which is attached to the endoscope.
Gastrointestinal Endoscopy  , DOI: ( /j.gie )
Copyright © 2012 American Society for Gastrointestinal Endoscopy Terms and Conditions

7. Figure 6
Gross appearance of the distal esophagus and proximal stomach 5 days after variceal banding.
(Courtesy of Todd H. Baron, MD, Mayo Clinic Rochester, Minnesota.)
Gastrointestinal Endoscopy  , DOI: ( /j.gie )
Copyright © 2012 American Society for Gastrointestinal Endoscopy Terms and Conditions

8. Figure 7
A, Device chamber attached to the tip of the endoscope. B, The trigger unit attached to the biopsy port.
Gastrointestinal Endoscopy  , DOI: ( /j.gie )
Copyright © 2012 American Society for Gastrointestinal Endoscopy Terms and Conditions

9. Figure 8
Timeline.
Gastrointestinal Endoscopy  , DOI: ( /j.gie )
Copyright © 2012 American Society for Gastrointestinal Endoscopy Terms and Conditions