TY - JOUR T1 - Do β-blockers have a role in treating hypertension? JF - Canadian Family Physician JO - Can Fam Physician SP - 614 LP - 617 VL - 53 IS - 4 AU - James P. McCormack Y1 - 2007/04/01 UR - http://www.cfp.ca/content/53/4/614.2.abstract N2 - ER -