BibTex format
@article{Sharma:2015:10.1161/CIRCULATIONAHA.114.013267,
author = {Sharma, M and Cornelius, VR and Patel, JP and Davies, JG and Molokhia, M},
doi = {10.1161/CIRCULATIONAHA.114.013267},
journal = {Circulation},
pages = {194--204},
title = {Efficacy and harms of direct Oral anticoagulants in the elderly for stroke prevention in atrial fibrillation and secondary prevention of venous thromboembolism: systematic review and meta-analysis.},
url = {http://dx.doi.org/10.1161/CIRCULATIONAHA.114.013267},
volume = {132},
year = {2015}
}