M, M., Rao, V. S. and KB, V. (2017) “To evaluate the role of sputum in the diagnosis of lung cancer in south Indian population”, International Journal of Research in Medical Sciences, 2(2), pp. 545–550. Available at: https://www.msjonline.org/index.php/ijrms/article/view/2195 (Accessed: 26 July 2026).