PT - JOURNAL ARTICLE AU - David Ponka AU - Michael Kirlew TI - Top 10 differential diagnoses in family medicine: Headache DP - 2007 Oct 01 TA - Canadian Family Physician PG - 1733--1733 VI - 53 IP - 10 4099 - http://www.cfp.ca/content/53/10/1733.short 4100 - http://www.cfp.ca/content/53/10/1733.full SO - Can Fam Physician2007 Oct 01; 53