RT Journal Article SR Electronic T1 The Background of Migraine JF The Journal of the College of General Practitioners JO J Coll Gen Pract FD British Journal of General Practice SP 8 OP 14 VO 6 IS Suppl 4 A1 K. M. Hay YR 1963 UL http://bjgp.org/content/6/Suppl_4/8.abstract AB