Impact of pulmonary hypertension in patients with acute exacerbation of chronic obstructive pulmonary disease and its effect on healthcare utilization oleh Rezwan F. Munshi, James R. Pellegrini Jr, Pranavi Patel, Maxim Kashin, James Kang, Robert Sexton, Jose R. Russe, Amgad N. Makaryus, Palakkumar Patel, Samarthkumar Thakkar, Brandon Pelletier, Tinu Abraham, Muhammad Tiwana, Fatima Anjum