PT - JOURNAL ARTICLE AU - Nadia Khan AU - Finlay McAlister TI - β-Blockers for hypertension AID - 10.1503/cmaj.1060200 DP - 2007 Mar 27 TA - Canadian Medical Association Journal PG - 971--972 VI - 176 IP - 7 4099 - http://www.cmaj.ca/content/176/7/971.4.short 4100 - http://www.cmaj.ca/content/176/7/971.4.full SO - CMAJ2007 Mar 27; 176