| Literature DB >> 3494002 |
M Giacovazzo, P Martelletti, M Valeri, A Piazza, P I Monaco, C U Casciani.
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Year: 1987 PMID: 3494002 DOI: 10.1111/j.1526-4610.1987.hed2701035.x
Source DB: PubMed Journal: Headache ISSN: 0017-8748 Impact factor: 5.887