TY - JOUR T1 - Top 10 differential diagnoses in family medicine: Dyspnea JF - Canadian Family Physician JO - Can Fam Physician SP - 1333 LP - 1333 VL - 53 IS - 8 AU - David Ponka AU - Michael Kirlew Y1 - 2007/08/01 UR - http://www.cfp.ca/content/53/8/1333.abstract ER -