PT - JOURNAL ARTICLE AU - Keith Hopcroft AU - Richard J Davenport TI - CT and chronic daily headache AID - 10.3399/bjgp11X561384 DP - 2011 Mar 01 TA - British Journal of General Practice PG - 226--226 VI - 61 IP - 584 4099 - http://bjgp.org/content/61/584/226.short 4100 - http://bjgp.org/content/61/584/226.full SO - Br J Gen Pract2011 Mar 01; 61