Prevalence and impact of tobacco use disorder on in-hospital mortality in patients hospitalized with non-group 1 pulmonary hypertension oleh Rupak Desai, Zainab Gandhi, Saher taj Shiza, Akhil Jain, Hiren Koshiya, Bibi Alli-Ramsaroop, Agatha Olawunmi Akinsete, Eko Wilson, Pranathi Rudra, Mohan Sai Sunith Vegesna, Madiha Bari, Ankit Vyas, Bisharah Rizvi, Salim Surani