J Spence1. Show Affiliations » 1. Department of Medicine, University of Toronto, and St. Michael's Hospital, Ontario, Canada.
Abstract
Entities: Disease
Mesh: See more » Emergency MedicineHeadache/classificationHeadache/drug therapyHeadache/etiologyHumansMigraine Disorders/complicationsPain Measurement/statistics & numerical dataPlacebosResearch DesignTreatment Outcome
Substances: See more » Placebos
Year: 1996 PMID: 8604857 DOI: 10.1016/s0196-0644(96)70228-7
Source DB: PubMed Journal: Ann Emerg Med ISSN: 0196-0644 Impact factor: 5.721