@misc{misc9f5404be, title = {Carbon monoxide diffusing capacity and the complexity of diagnosis in pulmonary arterial hypertension [Editorial]}, author = {Souza, Rogerio and Fernandes, Caio J. C. and Hoeper, Marius M.}, year = {2014}, doi = {10.1183/09031936.00024114}, journal = {European respiratory journal} }