RT Journal Article SR Electronic T1 Migraine—The Menstrual Aspect JF The Journal of the College of General Practitioners JO J Coll Gen Pract FD British Journal of General Practice SP 15 OP 17 VO 6 IS Suppl 4 A1 R. Greene YR 1963 UL http://bjgp.org/content/6/Suppl_4/15.abstract AB