Tangsujaritvijit, V., S. Thienchairoj, D. Junhasavasdikul, T. Morasert, and D. Eksombatchai. “Application of High-Frequency Oscillation During Bronchoscopy in Smear-Negative Pulmonary Tuberculosis”. Ramathibodi Medical Journal, vol. 40, no. 2, June 2017, pp. 25-33, https://he02.tci-thaijo.org/index.php/ramajournal/article/view/72202.