TY - JOUR T1 - Migraine research methods JF - Canadian Medical Association Journal JO - CMAJ SP - 1016 LP - 1018 VL - 157 IS - 8 AU - M. J. Gawel AU - WEM. Pryse-Phillips Y1 - 1997/10/15 UR - http://www.cmaj.ca/content/157/8/1016.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -