| Literature DB >> 5139118 |
P Berchtold, A Dahlqvist, A Gustafson, N G Asp.
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Year: 1971 PMID: 5139118 DOI: 10.3109/00365527109179948
Source DB: PubMed Journal: Scand J Gastroenterol ISSN: 0036-5521 Impact factor: 2.423