00000nam 2200000zi 4500 9.948084 CaOODSP 20250217125426 m o d f cr cn||||||||| 250217s1980 oncad ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn-on En57-55/80-7E-PDF Nursall, Alan Stewart, 1957- author. The effects of weather on the frequency and severity of migraine headaches in Southwestern Ontario / by Alan S. Nursall and David W. Phillips. Downsview, Ontario : Atmospheric Environment Service, 1980. 1 online resource (22 pages) : illustrations, graphs. text txt rdacontent computer c rdamedia online resource cr rdacarrier Canadian Climate Centre report ; no. 80-7 Digitized edition from print [produced by Environment and Climate Change Canada]. "This report has received only limited circulation because of the special nature of the project. However, reference is permitted if the words "Unpublished manuscript" are made part of the bibliographic entry, in accordance with accepted practice." Includes bibliographical references (pages 21-22). "In this study, an attempt is made to determine the nature of the weather-migraine relationship in the Toronto area. The focus of attention is not only on individual weather parameters, such as temperature and pressure, but also on general synoptic patterns of weather. Possible causal mechanisms are discussed, although many of these are strictly hypothetical, since even the basic etiology of migraine has not been conclusively determined"--Page [1]. Migraine Environmental aspects Ontario Toronto. Weather Physiological effect Ontario Toronto. Migraine Aspect de l'environnement Ontario Toronto. Temps (Météorologie) Effets physiologiques Ontario Toronto. Canadian Climate Centre, issuing body. Canadian Climate Centre report ; no. 80-7. (CaOODSP)9.934183 PDF 2.34 MB https://publications.gc.ca/collections/collection_2025/eccc/en57/En57-55-80-7-eng.pdf