D W Powell. Show Affiliations »
Abstract
Mesh: See more » Gastroenterology/trendsGastrointestinal Diseases/epidemiologyHumansPractice Patterns, Physicians'/trendsUnited States/epidemiology
Year: 1999 PMID: 10599630 DOI: 10.1097/00004836-199912000-00001
Source DB: PubMed Journal: J Clin Gastroenterol ISSN: 0192-0790 Impact factor: 3.062