PT - JOURNAL ARTICLE AU - Tzankova, Velina AU - Becker, Werner J. AU - Chan, Tommy L.H. TI - Pharmacologic prevention of migraine AID - 10.1503/cmaj.221607 DP - 2023 Feb 06 TA - Canadian Medical Association Journal PG - E187--E192 VI - 195 IP - 5 4099 - http://www.cmaj.ca/content/195/5/E187.short 4100 - http://www.cmaj.ca/content/195/5/E187.full SO - CMAJ2023 Feb 06; 195