PT - JOURNAL ARTICLE AU - James P. McCormack TI - Do β-blockers have a role in treating hypertension? DP - 2007 Apr 01 TA - Canadian Family Physician PG - 614--617 VI - 53 IP - 4 4099 - http://www.cfp.ca/content/53/4/614.2.short 4100 - http://www.cfp.ca/content/53/4/614.2.full SO - Can Fam Physician2007 Apr 01; 53