| Literature DB >> 18569995 |
Einar Björnsson, Gunnar Westgaard, Ingvar Bjarnason.
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Year: 2008 PMID: 18569995 DOI: 10.1080/00365520701853554
Source DB: PubMed Journal: Scand J Gastroenterol ISSN: 0036-5521 Impact factor: 2.423