TY - JOUR T1 - A 32-year-old woman with headache JF - Canadian Medical Association Journal JO - CMAJ SP - E533 LP - E534 DO - 10.1503/cmaj.160112 VL - 188 IS - 17-18 AU - William Jeptha Davenport AU - Tamara M. Pringsheim Y1 - 2016/12/06 UR - http://www.cmaj.ca/content/188/17-18/E533.abstract N2 - ER -