1. Prevalence of Elevated Alanine Aminotransferase Among US Adolescents and Associated Factors: NHANES 1999–2004 
Abigail Fraser, Matthew P. Longnecker, Debbie A. Lawlor 
Gastroenterology 
Volume 133, Issue 6, Pages (December 2007)
DOI: /j.gastro
Copyright © 2007 AGA Institute Terms and Conditions

2. Figure 1
Prevalence of elevated ALT level (>30 U/L) by ethnic group and sex.
Gastroenterology  , DOI: ( /j.gastro )
Copyright © 2007 AGA Institute Terms and Conditions