| Literature DB >> 5717100 |
R D Montgomery, A C Frazer, C Hood, J M Goodhart, M R Holland, R Schneider.
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Year: 1968 PMID: 5717100 PMCID: PMC1552761 DOI: 10.1136/gut.9.5.521
Source DB: PubMed Journal: Gut ISSN: 0017-5749 Impact factor: 23.059