BHUPENDRA KUMAR JAIN; ASHWIN SONGRA. A cross-sectional study to investigate short duration toxic consequences of smoking to lungs of asymptomatic smokers through spirometry and 6 min walk test. Asian Journal of Medical Sciences, [S. l.], v. 13, n. 8, p. 179–185, 2022. DOI: 10.3126/ajms.v13i8.43972. Disponível em: https://nepjol.info/index.php/AJMS/article/view/43972. Acesso em: 2 may. 2024.