@article{article7ee77bb5,
title   = {Effect of clopidogrel added to aspirin in patients with atrial fibrilation},
author = {Connolly, J. and Pogue, Janice and Hart, Robert G. and Hohnloser, Stefan H. and Pfeffer, Marc and Chrolavicius, Susan and Yusuf, Salim and Marin-Neto, José Antonio},
year = {2009},
journal   = {New England Journal of Medicine}
}