PT - JOURNAL ARTICLE AU - Adrian M. Ostfeld TI - The natural history and epidemiology of migraine and muscle contraction headache AID - 10.1212/WNL.13.3_Part_2.11 DP - 1963 Mar 01 TA - Neurology PG - 11--15 VI - 13 IP - 3 Part 2 4099 - http://n.neurology.org/content/13/3_Part_2/11.short 4100 - http://n.neurology.org/content/13/3_Part_2/11.full SO - Neurology1963 Mar 01; 13