PT - JOURNAL ARTICLE AU - R A Deyo TI - Bruce Psaty and the risks of calcium channel blockers AID - 10.1136/qhc.11.3.294 DP - 2002 Sep 01 TA - Quality and Safety in Health Care PG - 294--296 VI - 11 IP - 3 4099 - http://qualitysafety.bmj.com/content/11/3/294.short 4100 - http://qualitysafety.bmj.com/content/11/3/294.full SO - Qual Saf Health Care2002 Sep 01; 11