RT Journal Article SR Electronic T1 Cochrane corner: adenosine versus intravenous calcium channel antagonists for supraventricular tachycardia JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1993 OP 1994 DO 10.1136/heartjnl-2017-312909 VO 104 IS 24 A1 Samer Alabed A1 Rui ProvidĂȘncia A1 Tim J A Chico YR 2018 UL http://heart.bmj.com/content/104/24/1993.abstract AB