1. Optical biopsy for colorectal polyps: moving along the S-shaped curve
James Aisenberg, MD 
Gastrointestinal Endoscopy 
Volume 79, Issue 3, Pages (March 2014)
DOI: /j.gie
Copyright © 2014 American Society for Gastrointestinal Endoscopy Terms and Conditions

2. Figure 1
The diffusion of an innovation in the marketplace, as described by Everett Rogers, PhD.1 The S-shaped curve illustrates the market share over time, and the bell-shaped curve illustrates the rate of uptake.
Gastrointestinal Endoscopy  , DOI: ( /j.gie )
Copyright © 2014 American Society for Gastrointestinal Endoscopy Terms and Conditions