BibTex format
@article{Ghofrani:2013,
author = {Ghofrani, HA and D'Armini, AM and Grimminger, F and Hoeper, MM and Jansa, P and Kim, NH and Mayer, E and Simonneau, G and Wilkins, MR and Fritsch, A and Neuser, D and Weimann, G and Wang, C; CHEST-1 Study Group},
journal = {New England Journal of Medicine},
title = {Riociguat for the treatment of chronic thromboembolic pulmonary hypertension.},
url = {http://hdl.handle.net/10044/1/19669},
year = {2013}
}