Multicenter Study

Clinical outcomes with unfractionated heparin or low-molecular-weight heparin as bridging therapy in patients on long-term oral anticoagulants: the REGIMEN registry.

J. Thromb. Haemost. 2006 Jun 1;4(6):1246-52.
Randomized Controlled Trial

A randomized trial comparing heparin initiation 6 h or 24 h after pacemaker or defibrillator implantation.

J. Am. Coll. Cardiol. 2000 Jun 1;35(7):1915-8.
Randomized Controlled Trial

Reduced-dose warfarin or interrupted warfarin with heparin bridging for pacemaker or defibrillator implantation: a randomized trial.

Thromb. Res. 2014 Oct 1;134(4):814-8.