Unenhanced computed tomography as a diagnostic tool in suspected pulmonary hypertension: a retrospective cross-sectional pilot study [version 2; peer review: 2 approved] oleh Charlie Elliot, Krit Dwivedi, Dheyaa Alkanfar, Michael Sharkey, Catherine Hill, Thanos Charalampololous, Robin Condliffe, Smitha Rajaram, Andrew J. Swift, David G. Kiely, Christopher S. Johns, Ze Ming Goh, Samual Barnes, Tarik Julius