|
pubmed:affiliation |
Division of Gastroenterology, Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, MI 48109-0362, USA. rfontana@umich.edu <rfontana@umich.edu>
|
|
pubmed:publicationType |
Journal Article,
Clinical Trial,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't,
Research Support, N.I.H., Extramural
|
