RT Journal Article SR Electronic T1 OLFACTORY MIGRAINE JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 308 OP 309 VO 28 IS 190 A1 Montague Segal YR 1978 UL http://bjgp.org/content/28/190/308.2.abstract AB