AUTHOR=Sanger Gareth J. TITLE=Gastrointestinal pharmacology: challenges ahead JOURNAL=Frontiers in Pharmacology VOLUME=1 YEAR=2010 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2010.00004 DOI=10.3389/fphar.2010.00004 ISSN=1663-9812