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Source: Headache: The Journal of Head and Face Pain, Volume 38, Number 4, April 1998, pp. 315-316(2)
Document Type: Research Article
Affiliations: 1: From the Institute of Neurological Sciences, Prince of Wales Hospital, Sydney, Australia (Dr. Lance) and 2: Eastern Heart Clinic, Prince Henry Hospital (Dr. Lambros), Sydney, Australia.
Publication date: April 1, 1998