PANT, P.; YADAV, B.; KHAN, G.; KOJU, R.; GURUNG, R.; POKHAREL, B.; BEDI, T.; ADKHARI, R. Role of tiotropium in chronic obstructive pulmonary disease exacerbation. Journal of Institute of Medicine Nepal, [S. l.], v. 32, n. 2, p. 5–10, 2011. Disponível em: https://www.nepjol.info/index.php/JIOM/article/view/4937. Acesso em: 3 may. 2024.