| Literature DB >> 5782314 |
J Spencer, G P Burns, F C Cheng, A G Cox, R B Welbourn.
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Year: 1969 PMID: 5782314 PMCID: PMC1552849 DOI: 10.1136/gut.10.4.307
Source DB: PubMed Journal: Gut ISSN: 0017-5749 Impact factor: 23.059