PT - JOURNAL ARTICLE AU - Stephen R. Workman TI - Risks and benefits of β-blockade AID - 10.1503/cmaj.1041425 DP - 2005 Jan 04 TA - Canadian Medical Association Journal PG - 14--14-a VI - 172 IP - 1 4099 - http://www.cmaj.ca/content/172/1/14.2.short 4100 - http://www.cmaj.ca/content/172/1/14.2.full SO - CMAJ2005 Jan 04; 172