PT - JOURNAL ARTICLE AU - E. Charles Kunkle TI - Headache mechanisms, with particular reference to migraine AID - 10.1212/WNL.13.3_Part_2.1 DP - 1963 Mar 01 TA - Neurology PG - 1--6 VI - 13 IP - 3 Part 2 4099 - http://n.neurology.org/content/13/3_Part_2/1.short 4100 - http://n.neurology.org/content/13/3_Part_2/1.full SO - Neurology1963 Mar 01; 13