1. Volume 137, Issue 4, Pages 1261-1269 (October 2009)
Multicenter, Randomized, Placebo-Controlled Trial of Amitriptyline in Children With Functional Gastrointestinal Disorders 
Miguel Saps, Nader Youssef, Adrian Miranda, Samuel Nurko, Paul Hyman, Jose Cocjin, Carlo Di Lorenzo 
Gastroenterology 
Volume 137, Issue 4, Pages (October 2009)
DOI: /j.gastro
Copyright © 2009 AGA Institute Terms and Conditions

2. Figure 1
Variation in pain intensity over time in patients receiving amitriptyline or placebo. There is no statistically significant difference between the 2 groups. Solid line, placebo; dashed line, drug.
Gastroenterology  , DOI: ( /j.gastro )
Copyright © 2009 AGA Institute Terms and Conditions