PT - JOURNAL ARTICLE AU - William Jeptha Davenport AU - Tamara M. Pringsheim TI - A 32-year-old woman with headache AID - 10.1503/cmaj.160112 DP - 2016 Dec 06 TA - Canadian Medical Association Journal PG - E533--E534 VI - 188 IP - 17-18 4099 - http://www.cmaj.ca/content/188/17-18/E533.short 4100 - http://www.cmaj.ca/content/188/17-18/E533.full SO - CMAJ2016 Dec 06; 188