| Literature DB >> 5139119 |
N G Asp, N O Berg, A Dahlqvist, J Jussila, H Salmi.
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Year: 1971 PMID: 5139119 DOI: 10.3109/00365527109179949
Source DB: PubMed Journal: Scand J Gastroenterol ISSN: 0036-5521 Impact factor: 2.423