TY - JOUR T1 - Dysmenorrhoea JF - Canadian Medical Association Journal JO - CMAJ SP - 173 LP - 173 DO - 10.1503/cmaj.050804 VL - 173 IS - 2 A2 - , Y1 - 2005/07/19 UR - http://www.cmaj.ca/content/173/2/173.abstract ER -