| Literature DB >> 12940812 |
Susanna Frigerio1, Robert Bühler, Christian W Hess, Matthias Sturzenegger.
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Year: 2003 PMID: 12940812 DOI: 10.1046/j.1526-4610.2003.03169.x
Source DB: PubMed Journal: Headache ISSN: 0017-8748 Impact factor: 5.887