| Literature DB >> 17886123 |
Birgitta Evengård, Hanna Gräns, Elisabeth Wahlund, Carl Erik Nord.
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Year: 2007 PMID: 17886123 DOI: 10.1080/00365520701580397
Source DB: PubMed Journal: Scand J Gastroenterol ISSN: 0036-5521 Impact factor: 2.423