| Literature DB >> 6039723 |
H G Sammons, D B Morgan, A C Frazer, R D Montgomery, W M Philip, M J Phillips.
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Year: 1967 PMID: 6039723 PMCID: PMC1552554 DOI: 10.1136/gut.8.4.348
Source DB: PubMed Journal: Gut ISSN: 0017-5749 Impact factor: 23.059