Guidelines for the diagnosis and management of migraine in clinical practice [correction] CMAJ 1997;157:1354 This article, by Dr. William E.M. Pryse-Phillips and associates (CMAJ 1997;156[9]:1273-87 [full text / résumé]), contained an error in the time for symptom relief by sumatriptan. This orally administered drug has been shown to relieve up to 70% of migraine attacks at 2 hours, not 1 hour, as was stated in the article. -- Ed. Send a letter to the editor responding to this letter Envoyez une lettre à la rédaction au sujet de cette lettre | CMAJ November 15, 1997 (vol 157, no 10) / JAMC le 15 novembre 1997 (vol 157, no 10) |