The Lancet Respiratory Medicine
The Lancet Respiratory Medicine > 2015 > 3 > 11 > 859-868
The Lancet Respiratory Medicine > 2015 > 3 > 11 > 849-858
The Lancet Respiratory Medicine > 2015 > 3 > 11 > 869-878
The Lancet Respiratory Medicine > 2015 > 3 > 11 > 879-887
The Lancet Respiratory Medicine > 2015 > 3 > 11 > 888-900