| Literature DB >> 5049254 |
J M Northover, J D Pickard, I M Murray-Lyon, D G Presbury, R Haskell, D A Keith.
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Year: 1972 PMID: 5049254 PMCID: PMC2495229 DOI: 10.1136/pgmj.48.560.351
Source DB: PubMed Journal: Postgrad Med J ISSN: 0032-5473 Impact factor: 2.401