1. Success as a PhD in Gastroenterology
Kim E. Barrett, Marshall H. Montrose 
Gastroenterology 
Volume 143, Issue 2, Pages (August 2012)
DOI: /j.gastro
Copyright © 2012 AGA Institute Terms and Conditions

2. Figure 1
Average age of NIH first-time R01 principal investigators holding an MD, MD/PhD, or PhD during each fiscal year from 1980 to 2011.
From the National Institutes of Health.1
Gastroenterology  , DOI: ( /j.gastro )
Copyright © 2012 AGA Institute Terms and Conditions