Evaluation of dyspnea of unknown etiology in HIV patients with cardiopulmonary exercise testing and cardiovascular magnetic resonance imaging oleh Andrew J. Patterson, Anuja Sarode, Sadeer Al-Kindi, Lauren Shaver, Rahul Thomas, Evelyn Watson, Mohamad Amer Alaiti, Yuchi Liu, Jessie Hamilton, Nicole Seiberlich, Imran Rashid, Robert Gilkeson, Robert Schilz, Brian Hoit, Trevor Jenkins, Melissa Zullo, Eduardo Bossone, Christopher Longenecker, Orlando Simonetti, Sanjay Rajagopalan