R. H. Ghimire, A. Ghimire, R. K. Shreewastav, S. Yadav, and B. Bidesh Bista, “Study of Hemoptysis in a Tertiary Care Center of Province 1: Causes and Recurrences”, Birat J. Health Sci., vol. 5, no. 2, pp. 1050–1054, Oct. 2020.