| Literature DB >> 2552022 |
G D Perkin, S W Roche, R Abraham.
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Year: 1989 PMID: 2552022 PMCID: PMC1031853 DOI: 10.1136/jnnp.52.8.1017-a
Source DB: PubMed Journal: J Neurol Neurosurg Psychiatry ISSN: 0022-3050 Impact factor: 10.154