| Literature DB >> 2746281 |
H Ackermann1, W Ziegler, W H Oertel.
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Year: 1989 PMID: 2746281 PMCID: PMC1032047 DOI: 10.1136/jnnp.52.6.805
Source DB: PubMed Journal: J Neurol Neurosurg Psychiatry ISSN: 0022-3050 Impact factor: 10.154