TY - JOUR T1 - Beta Blockers and Cardiac Arrhythmias JF - Thorax JO - Thorax SP - 192 LP - 192 DO - 10.1136/thx.48.2.192 VL - 48 IS - 2 AU - NMW Y1 - 1993/02/01 UR - http://thorax.bmj.com/content/48/2/192.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -