| Literature DB >> 5572893 |
N K Kwong, B H Brown, G E Whittaker, H L Duthie.
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Year: 1971 PMID: 5572893 DOI: 10.3109/00365527109180684
Source DB: PubMed Journal: Scand J Gastroenterol ISSN: 0036-5521 Impact factor: 2.423