%0 Journal Article %A S S Barold %A M D Falkoff %A L S Ong %A R A Heinle %T The third decade of cardiac pacing. Multiprogrammable pulse generators. %D 1981 %R 10.1136/hrt.45.4.357 %J British Heart Journal %P 357-364 %V 45 %N 4 %U https://heart.bmj.com/content/heartjnl/45/4/357.full.pdf