RT Journal Article SR Electronic T1 MIGRAINE AND THE SPREADING CORTICAL DEPRESSION OF LEAS JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 368 OP 368 VO 23 IS 130 A1 Brennig James YR 1973 UL http://bjgp.org/content/23/130/368.1.abstract AB